Job No. 1 for the new CEO: Revamp the stagnating microblogging service to make it more inviting for regular folks.
A hack of Experian, the company that handles credit checks for the wireless carrier, results in the loss of T-Mobile customers' Social Security numbers, birth dates and names.
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.
Technically Incorrect: Tesla's CEO wants to create constant nuclear pulse explosions so that there'd be two little suns to heat the planet and make it ready for our arrival.
Futurist and Google exec Ray Kurzweil thinks that once we have robotic implants, we'll be funnier, sexier and more loving. Because that's what artificial intelligence can do for you.
The computer software makes common actions easier, such as letting users view two open windows at once with a split-view screen.
The two companies strike a partnership to bring mobile payments technology to more than 20 Chevron stations in California.
A ruling by Europe's highest court puts Facebook and other companies in a tough spot over how they handle user data.
Technically Incorrect: The famed physicist says that simple math makes him believe there are aliens out there.