What we learned about 5G in 2015
The much-anticipated 5G mobile standard won't be finished until 2020, but the people who'll make it happen were busy throughout 2015 trying to define it. One thing that's clear already is that 5G won't be like 4G. Rather than just making phones and tablets faster, the next generation of mobile technology will be asked to serve many uses, each with different requirements. This was a year for sorting through those demands.