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I'm pumped to finally get a chance to blog about the upcoming Dell Streak tablet device. Since we firstpreviewed the Dell Streak at CES 2010, it's been making waves in the blogosphere ever since. The 5-inch tablet will launch first to customers in the United Kingdom in early June. Customers there will be able to purchase itacross the UK at O2 stores, O2.co.uk, The Carphone Warehouse and later this month on Dell.co.uk. Pricing and data plans for UK customers will be announced by O2 before availability. We plan to make the Dell Streak available to customers in the United States later this summer.
I've been at Dell for 16 years, and I don't think there's ever been more buzz around a single Dell product than this. In my view, that's for good reason. Hardware and design-wise, this thing impresses. Add the ever-increasing capability that Android brings to the equation, and you've got a mobile device that offers a ton of flexibility while looking cool in the process. The Dell Streak brings together a great web browsing experience, multi-tasking capability, slick turn by turn navigation and a great way to enjoy your photos, movies and music into a sleek device that's built for mobility.
Update: Here's a short video we uploaded to the Dell YouTube channel that provides a quick overview of what you can use Streak for:


The Dell Streak is a hybrid device that lives in the space between a smartphone and other larger tablets or netbooks that you might be using right now. We designed it to provide a wide range of users flexibility to do what they need with a mobile device. That's why we packed the Dell Streak with a lot of features. We'll utilize that flexibility via over-the-air updates for platform upgrades, Adobe Flash 10.1 on Android 2.2 later this year, plus other enhancements like video chat applications and more. 
After using the Dell Streak for a bit, one thing that really stands out in my opinion is the screen. The vivid, 5-inch diagonal display may seem only slightly larger than many of the smartphones making waves out there specs-wise. But when that larger screen is coupled with higher pixel density, it's surprising how much difference that extra inch and a half or so makes in everyday activities like browsing the web, playing games or watching video. Because it's made with Gorilla Glass the screen also has a pretty big durability advantage over more fragile mobile devices. Take a look at the Gizmodo hands-on to see what I mean. The Dell Streak is thin (10mm-which is  thinner than a lot of mobile devices out there), and though it's just a bit heavier than other smartphones, it feels solid and balanced-which makes using it pretty natural across a number of activities. We'll also offer all kinds of Dell Streak accessories like a car dock kit, battery replacements, a home AV dock and more.
The Dell Streak is a device designed for accessing entertainment, navigating your busy schedule and connecting you to the friends and family who matter to you. If you want dig into more details, check out this video interview with Kevin Andrew from the Dell Streak development team:


Hardware-wise, the Dell Streak features the following:

• A sharp 5-inch capacitive multi-touch WVGA (800x480) display for a great full-screen experience watching video or browsing the web
• Fast 1GHz Snapdragon ARM-based mobile processor from Qualcomm
• 5 MP autofocus camera with dual LED flash that offers easy point & shoot capability and quick uploads toYouTube, Flickr, Facebook and more
• VGA front-facing camera enables video chat functionality down the road
• A user-removable (and replaceable) battery
• A 3.5mm headphone jack means many of you can use the Dell Streak as the music source (and more) in your car
• Integrated 3G + Wi-Fi (802.11b/g) + Bluetooth 2.1 (think headsets, external keyboards, stereo headsets, etc.)
• UMTS / GPRS / EDGE class 12 GSM radio with link speeds of HSDPA 7.2 Mbps / HSUPA
• A user-accessible Micro SD slot expandable up to 32GB. That means you can store  lots of movies, music, photos or other kinds of files.

On the software side, here's what you can expect:

• A customized multi-touch version of the Google Android operating system that features Dell user interface enhancements
• Access to over 38,000  apps (and growing) via the Android Marketplace
• Microsoft Exchange connectivity and integration through TouchDown
• Google Voice support
• Integrated Google Maps with voice-activated search, turn-by-turn navigation, street and satellite views
• Quick access to activity streams via integrated social network app widgets like Twitter, Facebook, YouTube

Like an increasing number of our laptop and netbook products, Dell Streak will ship with cushions made fromcompostable bamboo.
More Dell Streak details will be coming in subsequent posts. In the meantime, feel free to leave comments or questions to this blog post, or follow the discussion on Twitter by using the #DellStreak hashtag.

Chatting with webmasters often reveals widespread beliefs that might have been accurate in the past, but are not necessarily up-to-date any more. This was the case when we recently talked to a couple of friends about the structure of a URL. One friend was concerned about using dynamic URLs, since (as she told us) "search engines can't cope with these." Another friend thought that dynamic URLs weren't a problem at all for search engines and that these issues were a thing of the past. One even admitted that he never understood the fuss about dynamic URLs in comparison to static URLs. For us, that was the moment we decided to read up on the topic of dynamic and static URLs. First, let's clarify what we're talking about:

What is a static URL? 
A static URL is one that does not change, so it typically does not contain any url parameters. It can look like this: http://www.example.com/archive/january.htm. You can search for static URLs on Google by typing filetype:htm in the search field. Updating these kinds of pages can be time consuming, especially if the amount of information grows quickly, since every single page has to be hard-coded. This is why webmasters who deal with large, frequently updated sites like online shops, forum communities, blogs or content management systems may use dynamic URLs.

What is a dynamic URL?
If the content of a site is stored in a database and pulled for display on pages on demand, dynamic URLs maybe used. In that case the site serves basically as a template for the content. Usually, a dynamic URL would look something like this: http://code.google.com/p/google-checkout-php-sample-code/issues/detail?id=31. You can spot dynamic URLs by looking for characters like: ? = &. Dynamic URLs have the disadvantage that different URLs can have the same content. So different users might link to URLs with different parameters which have the same content. That's one reason why webmasters sometimes want to rewrite their URLs to static ones.

Should I try to make my dynamic URLs look static?
Following are some key points you should keep in mind while dealing with dynamic URLs:

1. It's quite hard to correctly create and maintain rewrites that change dynamic URLs to static-looking URLs.
2. It's much safer to serve us the original dynamic URL and let us handle the problem of detecting and avoiding problematic parameters.
3. If you want to rewrite your URL, please remove unnecessary parameters while maintaining a dynamic-looking URL.
4. If you want to serve a static URL instead of a dynamic URL you should create a static equivalent of your content.

Which can Googlebot read better, static or dynamic URLs?
We've come across many webmasters who, like our friend, believed that static or static-looking URLs were an advantage for indexing and ranking their sites. This is based on the presumption that search engines have issues with crawling and analyzing URLs that include session IDs or source trackers. However, as a matter of fact, we at Google have made some progress in both areas. While static URLs might have a slight advantage in terms of clickthrough rates because users can easily read the urls, the decision to use database-driven websites does not imply a significant disadvantage in terms of indexing and ranking. Providing search engines with dynamic URLs should be favored over hiding parameters to make them look static.

Let's now look at some of the widespread beliefs concerning dynamic URLs and correct some of the assumptions which spook webmasters. :)

Myth: "Dynamic URLs cannot be crawled."
Fact: We can crawl dynamic URLs and interpret the different parameters. We might have problems crawling and ranking your dynamic URLs if you try to make your urls look static and in the process hide parameters which offer the Googlebot valuable information. One recommendation is to avoid reformatting a dynamic URL to make it look static. It's always advisable to use static content with static URLs as much as possible, but in cases where you decide to use dynamic content, you should give us the possibility to analyze your URL structure and not remove information by hiding parameters and making them look static.

Myth: "Dynamic URLs are okay if you use fewer than three parameters."
Fact: There is no limit on the number of parameters, but a good rule of thumb would be to keep your URLs short (this applies to all URLs, whether static or dynamic). You may be able to remove some parameters which aren't essential for Googlebot and offer your users a nice looking dynamic URL. If you are not able to figure out which parameters to remove, we'd advise you to serve us all the parameters in your dynamic URL and our system will figure out which ones do not matter. Hiding your parameters keeps us from analyzing your URLs properly and we won't be able to recognize the parameters as such, which could cause a loss of valuable information.

Following are some questions we thought you might have at this point.

Does that mean I should avoid rewriting dynamic URLs at all?
That's our recommendation, unless your rewrites are limited to removing unnecessary parameters, or you are very diligent in removing all parameters that could cause problems. If you transform your dynamic URL to make it look static you should be aware that we might not be able to interpret the information correctly in all cases. If you want to serve a static equivalent of your site, you might want to consider transforming the underlying content by serving a replacement which is truly static. One example would be to generate files for all the paths and make them accessible somewhere on your site. However, if you're using URL rewriting (rather than making a copy of the content) to produce static-looking URLs from a dynamic site, you could be doing harm rather than good. Feel free to serve us your standard dynamic URL and we will automatically find the parameters which are unnecessary.

Can you give me an example?
If you have a dynamic URL which is in the standard format like foo?key1=value&key2=value2 we recommend that you leave the url unchanged, and Google will determine which parameters can be removed; or you could remove uncessary parameters for your users. Be careful that you only remove parameters which do not matter. Here's an example of a URL with a couple of parameters:

www.example.com/article/bin/answer.foo?language=en&answer=3&sid=98971298178906&query=URL

• language=en - indicates the language of the article
• answer=3 - the article has the number 3
• sid=8971298178906 - the session ID number is 8971298178906
• query=URL - the query with which the article was found is [URL]

Not all of these parameters offer additional information. So rewriting the URL to www.example.com/article/bin/answer.foo?language=en&answer=3 probably would not cause any problems as all irrelevant parameters are removed. 

The following are some examples of static-looking URLs which may cause more crawling problems than serving the dynamic URL without rewriting:

• www.example.com/article/bin/answer.foo/en/3/98971298178906/URL
• www.example.com/article/bin/answer.foo/language=en/answer=3/
  sid=98971298178906/query=URL
• www.example.com/article/bin/answer.foo/language/en/answer/3/
  sid/98971298178906/query/URL
• www.example.com/article/bin/answer.foo/en,3,98971298178906,URL

Rewriting your dynamic URL to one of these examples could cause us to crawl the same piece of content needlessly via many different URLs with varying values for session IDs (sid) and query. These forms make it difficult for us to understand that URL and 98971298178906 have nothing to do with the actual content which is returned via this URL. However, here's an example of a rewrite where all irrelevant parameters have been removed:

• www.example.com/article/bin/answer.foo/en/3

Although we are able to process this URL correctly, we would still discourage you from using this rewrite as it is hard to maintain and needs to be updated as soon as a new parameter is added to the original dynamic URL. Failure to do this would again result in a static looking URL which is hiding parameters. So the best solution is often to keep your dynamic URLs as they are. Or, if you remove irrelevant parameters, bear in mind to leave the URL dynamic as the above example of a rewritten URL shows:

• www.example.com/article/bin/answer.foo?language=en&answer=3

We hope this article is helpful to you and our friends to shed some light on the various assumptions around dynamic URLs. Please feel free to join our discussion group if you have any further questions.

Written by Juliane Stiller and Kaspar Szymanski, Search Quality Team

When we launched calling in Gmail back in August, we wanted it to be easy and affordable, so we made calls to the U.S. and Canada free for the rest of 2010. In the spirit of holiday giving and to help people keep in touch in the new year, we're extending free calling for all of 2011.

In case you haven't tried it yet, dialing a phone number works just like a regular phone. Look for "Call phone" at the top of your Gmail chat list and dial a number or enter a contact's name.


To learn more, visit gmail.com/call. Calling in Gmail is currently only available to U.S. based Gmail users.

Happy New Year and happy calling!