Mobile phones will be able to project 3D holograms in 2015, allowing people to video-chat with virtual images of their friends, say scientists at IBM. In their annual list of tech predictions, the scientists also say:
- Today's lithium-ion batteries will be replaced with those that run on air and last 10 times longer. Some small electronic devices won't need batteries at all.
- We'll get personalized commuter reports that predict when and where traffic jams will happen on our routes.