The new twitter birds avatar are available in 6 different colors and are randomly chosen for different profiles

Facebook now allows users to login to the site using their vanity usernames along with their email address.

Twitter adds a new feature to display description on trending topics to users for certain topics. The definitions are sourced from WhatTheTrend.com

Facebook has just crossed another milestone by breaking a record of having 300 million active users visit their site, 50 million of which were added in the last 75 days at a rate of 67K users per day

Orkut a popular social networking site in India and Brazil has announced a new feature which will allow you to video chat with your friends from within Orkut.

TweepML is an open source format and a Twitter app that allows you to create and share lists of Twitter users.

facebook_lite

Facebook Lite, a lighter version Facebook is designed specially for users with slow Internet connections and to access most relevant sections in Facebook. No doubt the lighter version loads pretty faster than the original version as there are few elements disabled in the lite version. Elements like, Highlights, the left sidebar navigation to access modules in Facebook, the “What’s on your mind” text box, links to quickly connect with friends and the requests section.

TweetMyMac is a free utility that allows you to control your Mac remotely. It is very similar to TweetMyPC and enables you to shutdown, restart or send your computer to sleep by simply sending a tweet.

ShhTwitter is a Twitter application that lets you send anonymous tweets. These tweets can be general or can be addressed to any specific user. It is a handy tool for whistle blowers and people who don’t want to disclose their identity.

TwitRes is a great Twitter application that allows you to share your resume on Twitter. A shortened URL included in your tweet redirects the user to your resume.

CommuTweet is an extremely useful Twitter application that daily commuters can use to share traffic updates with each other. Updates include information about road delays, accidents and other traffic problems.

Some useful twitter apps for people who are looking for dates. Get to know about the twingles on twitter and start dating with them.

Twuner is an iPhone application for Twitter that reads your tweets by converting text into speech.

Avartize is a Twitter application that lets you add overlays to your Twitter profile picture easily. It is a useful tool if a group of people want to display the same overlay for a cause as the artwork would only have to be created once.

PrettySlide is a new web application that allows you to create slideshows from your Facebook photos. You can choose from 5 different slideshow themes.