HTC One M9 review: Another year, another modest step forward
 

Let's say you're a smartphone maker and one year you cook up a formula for a beloved, game-changing device. The next year, you tweak that formula a bit to create a worthy, if slightly less exciting, follow-up of a phone. What do you do after another ...

http://www.engadget.com/2015/03/22/h...=rss_truncated