The future of smartwatches will depend on two things : their intuitive interfaces and multi-tasking.
Will here conveys a future idea.
|Simple future||Expresses a future action.||
I'll leave at 8
I'll/shall leave early.
|Future continuous||Shows what will be taking place at a particular future time.||Tomorrow at this hour, I'll be sitting on the sand enjoying my new "I'm watch" in the other side of the world.|
|Future perfect||Takes the future as the point from which it looks back at an earlier action.||By Saturday, I'll have read this online-book in my high-resolution screen.|
These are other ways to express future: