Twitter has introduced another advertising service, hoping to generate revenue this time by promoting special offers, events and one-time deals from marketers.

A popular Twitter application used to measure the influence of Twitter users has been hacked and used to send spam messages.

People logging on to their Twitter accounts this morning found a new feature waiting for them.

How much would you pay for a mobile device that does only one thing: Send and receive Tweets? A company called Peek is betting $199 and has created just such a device.

Twitter Inc. co-founder Biz Stone told reporters in Mexico City this week that the companmy expects to add revenue-generating features to the microblogging site in the fourth quarter, according to a report today on Bloomberg.com.

Interested in tracking the Twitterers in your city or even your neighborhood? Or maybe you want to track the tweets sent from an area where there's a major event or disaster?

Many Twitter applications have suffered lengthy periods of downtime recently, a situation that has some developers concerned about the company's platform stability.

The technical problems that affected the performance and availability of third-party Twitter applications in recent days have been fixed, the micro-blogging and social networking company said Monday evening.