Any new smartphone has a gimmick. Whether it's wireless charging, fingerprint scanning or even eye-tracking, there's always an amazing feature you "can't live without." But let's be honest: many of those features you really can live without.
On the other hand, some of the futuristic technology available in next-generation smartphones is really useful. But which features do you need in your toolbox and which are just the icing on the cake? This definitive list ranks 10 useful features your smartphone needs to have.