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Four million users tested various alpha, beta, and release candidate versions of the anticipated v3 of the popular BitTorrent software, which is a darling of the download scene owing to its simple interface and lightweight footprint (for example, the installer is only 624KB). A slew of new features are embedded in the upgraded client, including streaming video; uTorrent remote; ratings and comments; and drag and drop sending. There's also mention of an exciting new encrypted Web-based UI, dubbed uTorrent Web, which enables access to µTorrent from anywhere on the Internet (you can also control the software using Android Remote for uTorrent).
BitTorrent also detailed a new app called uChat, which allows users of uTorrent 3.0 and BitTorrent Chrysalis clients to communicate with each other. Now all of those flame wars going on in torrent comment threads can happen in real time! The company hopes that the chat add-on will be a place for all users to help one another, share tips, and possibly pose as "an interesting marketing/social engagement opportunity for independent artists and creators to directly communicate with their fans."
source- cnet.com