People use their smartphones as a way to stay connected with everyone these days. It's a necessary accessory, like a wallet or car keys. The cell phones we knew from a decade ago are antiques, as we can now check our email, look at websites, watch videos, check Facebook, check scores, text, tweet – and make phone calls. Having a landline phone isn't as necessary as it once was, as families have begun to make sure every member has their own smartphone. More smartphones means more ways for us to learn and explore, so new apps are constantly coming to market. And nearly every year, we're seeing newer smartphones replace our older ones – but which ones should we buy, and which ones are just reboots of the same product?