Samsung, battling to hold on to its lead in the smartphone market, needs to win back consumers from Apple with its next big thing. But will the new Galaxy S6 be big enough?
The next evolution in wireless networking holds promises of self-driving cars and movies that download in the blink of an eye. 5G is big at this year's Mobile World Congress, but don't expect it until 2020.
From the doubly-curved Samsung Galaxy S6 Edge and news of Google's wireless service, to a suitcase that weighs itself, here are the most important things that happened at the world's largest mobile show.
We have seen the future and it includes an iris-scanning smartphone and luggage that can weigh itself. Check out the rest of the impressive tech from day two of Mobile World Congress 2015.
If the zombie apocalypse ever arrives, you'll be happy you dropped a ton of cash for a cabin designed to fortify you against attacks by the undead.
Don't worry about that whole Superfish thing; there's no Windows, and therefore no spyware, on this laptop.
Forget fingerprints, Fujitsu's concept phone scans your eyes with infrared to grant access to your data.
Apps to unlock hotel rooms and much more are being developed in extreme secrecy at Apple headquarters.
Although its flash-equipped front camera is eye-catching, its image results aren't as impressive as I'd hoped. Still, the flash will illuminate your face where other phones can't, and the Desire Eye comes with fun software, is well-specced and waterproof too.
While it might not have the immediate heirloom appeal of other $10,000 watches, the materials used in the highest-end Apple Watch could potentially run the cost up that high.