Windows uploaded a video on youtube a week back, and it tells about how the June 2011 version of Hotmail is 10x faster as compared to their prior version.

Check it out here:

[video=youtube;3Y0DfzLmeOc]https://www.youtube.com/watch?v=3Y0DfzLmeOc&feature=player_embedded[/video]

But how did Microsoft manage to find so much extra speed in a service that’s been online for 15 years?
Three techniques were used: caching, preloading, and asynchronous operations. These are not new concepts, but the recent update to web technologies in modern browsers has made them much easier to implement and more useful for web-based services such as Hotmail.

Could any hotmail users give reviews for the same?