Hengbot Sirius robot dog looked up at me, and I reflexively petted its face, stroking down between the eyes as an on-screen menu appeared. This, in a nutshell, is Hengbot Sirius's problem: it's a ...

Mike Sorrentino is a Senior Editor for Mobile, covering phones, texting apps and smartwatches -- obsessing about how we can make the most of them. Mike also keeps an eye out on the movie and toy ...