Job No. 1 for the new CEO: Revamp the stagnating microblogging service to make it more inviting for regular folks.
Mobile World Congress 2015
With two new "Stagefright" vulnerabilities discovered, almost every Android device ever released is vulnerable to malicious hackers. Fixing the bug isn't simple.
The two companies strike a partnership to bring mobile payments technology to more than 20 Chevron stations in California.
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.
The deal also means iPhone 6 users will be able to use Apple Pay to take a bite out of their favorite Subway sandwich.
Now available in the iPhone 6, iPhone 6 Plus and Apple Watch, NFC is poised to play an important role in the way we use our phones, especially when it comes to mobile payments. Here's how it works.
Wired reports a mobile-payments platform powered by near-field communication is coming to the next iPhone, backing up similar stories last month.
Samsung's answer to Apple Pay is being tested in its home country of South Korea. CNET had the chance to see how the mobile payment system works in real life.
Samsung Pay is now slated for a September launch in the US and South Korea -- with China, Europe and more markets to follow.
Google has announced a pair of new Nexus Phones -- let's see how the new Nexus 6P compares to other superphones.