Twitter

Many Twitter users -- and more importantly, the billions more who don't use Twitter -- feel constrained by the company's somewhat archaic 140-

Twitter has its eyes on Japan, with its 35 million users, to make money from companies eager to use Twitter data to research retail trends, manage inventory and improve customer service. Although tweets are public, the San Francisco-based social media company offers special technological tools to better analyze and take into account all tweets, including those in archives, through partner companie

Very few North Koreans have Internet access. Typically they can see only a sealed-off, government-sanctioned intranet. But foreigners had previously been able to surf the Web with almost no overt restrictions, though most likely with behind-the-scenes monitoring of their Internet activities.

Twitter, the social media site famous for hashtags and a 140-character "tweet" limit, turned 10 years old Monday, having evolved from what was originally billed as a "microblogging" site into one of the Internet's most influential means of communication.

Twitter is tweaking the way that tweets appear in its users' timelines in its latest attempt to broaden the appeal of its messaging service.

Four of Twitter's key executives are leaving the company in an exodus that has escalated the uncertainty facing the messaging service as it struggles to broaden its audience and lure back disillusioned investors.

Some Twitter users had to do without early Tuesday after sporadic outages knocked the social media site offline in the U.S. and Europe.

Three teenagers in Essex County are charged in a scheme to use Twitter to sell firearms as part of gang activity.

Twitter is laying off up to 336 employees, signaling CEO Jack Dorsey's resolve to slash costs while the company struggles to make money.

Facebook went down twice this week, sending web surfers everywhere into a withdrawal spiral (and mass exodus to Twitter).