As the new Hotmail continues to roll out -- it's now in use by more than 100 million people and headed to all remaining users soon. With loads of new features, improved performance, and no more text promotions in your message footers, Hotmail is now a strong alternative to Gmail.
One thing you might not like is the big vertical billboard on the right-hand side of your inbox. Just like Gmail's block of text ads, it's easy to hide. All you need is the Windows Live Ad Remover Userscript.
Chrome users can simply click the install button at the top of the page. Firefox users will need to install the Greasemonkey add-on first and Safari users need Greasekit. Opera users who aren't sure how to install Userscripts can check this post for help. Internet Explorer users can try either Trixie or IE7Pro.
Source: Download Squad
Here are my top 10 features and functions found in the current Technical Preview of Windows Phone 7: