Reddit.com has migrated its persistent cache to Cassandra. Many other big sites like Digg, Facebook and Twitter have already adopted Cassandra because of its performance and extensibility.

Twitter.com today announced to launch own URL shortening service, twt.tl, to control phishing and spam. Twitter will use twt.tl to keep an eye on all links shared via DMs.

MSN.com has redesigned its homepage. The older congested layout has been replaced by the new clean design.

India’s leading SMS based social networking site, SMS Gupshup, has launched an app store for promotion and distribution of SMS based applications.

Biz Stone, the co-founder of Twitter, has shared some interesting stats. Number of Twitter accounts has grown more than 1,500% in past one year.

Ning has announced integration with Facebook Connect, which will make it easier to share content and status updates on the both social networking sites.

Google is rolling out its new social networking product Google Buzz to all Gmail users over the next few days. Buzz is not available to Google Apps users yet.

Twitter is going to introduce another feature: local trends. This will enable users to track trending topics according to their geographical location.

Google Wave recently introduced a new feature: now you can integrate any Google group to Wave. This functionality enables you to bring group conversations to Wave.

Shareaholic, the popular link sharing and bookmarking add-on for Firefox, has released Chrome version.

Linc Pen have lauched their Facebook application: MyDiary, which provides a virtual dairy to Facebook users.

Public waves have everyone as participant, and anyone can view or reply these threads. To see public waves, just search for with:public.

AnyBodyOutThere offers an instant and relevant response to your thoughts and questions by connecting you to people in a similar state of mind.

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