Job No. 1 for the new CEO: Revamp the stagnating microblogging service to make it more inviting for regular folks.
Apple is selling fewer MacBooks and iMacs, according to analyst IDC, but declining PC sales across the board means the company actually occupies a larger slice of the market.
Moments directs users to curated collections of tweets and discussions taking place across the social network. The feature could be the most important product update in Twitter's history.
The victims of Mount Vesuvius, preserved in ash for nearly 2,000 years, have been CT scanned, revealing details of their lives.
Jack Dorsey is now CEO of both Twitter and Square. Running one big company is tough. Now he has two.
One of Twitter's co-founders has come back to help the troubled social-networking company. Seen as part artist, part visionary, the question facing Dorsey now is whether he can turn the company around.
While the microblogging service trails Facebook in usage and revenue, Twitter's impact on society can't be matched.
The head of Apple Pay says the coffee shop will start piloting the mobile payments service this year and roll it out to about 7,500 stores next year. It's also heading for KFC and Chili's.
Facebook's head of messaging says the company "probably" won't make its own phone again after the first one failed to gain consumer interest.
The ride-hailing company aims to lure more drivers by giving discounts on gas and car rentals.