Twitter is an online service you can use to send out short notes to the world via the Web, IM and text-messaging. People use it to issue updates about what they're doing, eating, seeing, feeling, etc., to their family, friends and whoever else might be following them. When Twitter launched in 2006, it was like a relic from the Jurassic period of the dotcom start-ups, when you could get funding for anything. Could a service that ...

As details about an alleged assault of Rihanna by her boyfriend, Chris Brown, emerged, fans and the entertainment industry grappled with what it could mean for the future of the young star's career. Authorities charged Brown, 19, on Thursday with felony counts of assault and making criminal threats, the Los Angeles County, California, District Attorney's Office said. If convicted, the sentence could range from probation to four years and eight months in prison, officials said. Brown appeared before a judge ...

Reclusive pop icon Michael Jackson is expected to announce his first major concert dates in more than a decade in a rare public appearance in London on Thursday. Reports suggest the 50-year-old has lined up a multimillion-dollar summer residency involving dozens of performances at London's O2 Arena. In a statement on its Web site, the 20,000-venue invited Jackson fans to see a "special announcement" by the star at 4 p.m. GMT -- and to sign up for ticket alerts. "Michael ...