Twitter announced Thursday that it would begin restricting Tweets to conform to the demands of specific countries. "As we continue to grow internationally, we will...

Saudi billionaire Prince Alwaleed bin Talal on Monday unveiled a $300 million stake purchase in Twitter, gaining another foothold in the global media industry. The...

Twitter revamped its website on Thursday to make the service easier to use and to help companies better showcase their brands. The company has simplified...

The top 10 most popular hashtags and topics of 2011 have been revealed, with topics spanning from politics to celebrity gossip. Hashtags are used to...

A startup specializing in security for smartphones and tablets powered by Android software said it had been bought by Twitter. "We started Whisper Systems with...

Twitter said Thursday that it will begin placing advertisements known as "Promoted Tweets" in the timelines of users who follow a particular brand or company...

Today Twitter is starting to roll out a new version of Twitter search, which will deliver more relevant Tweets and also show users related photos...

Twitter today launched the Follow Button, a new way to discover and instantly follow Twitter accounts directly from the websites you visit everyday. Twitter said...

On Tuesday, Twitter completed a deal to buy TweetDeck, reportedly for $40M to $50M. TweetDeck offers a dashboard for monitoring what people are saying on...

The developing team of the popular Chrome TweetDeck app today unveiled TweetDeck Web, a standalone web site and requires no downloads, no App Stores and...