The Boox Note Air 4C is a color e-ink reader, a digital notebook, and an (almost) full-fledged tablet computer in one. It's not a device for everyone, but it's an excellent version of what it is.

If you haven't started the search for a Valentine's Day gift just yet, take this as a sign to get on that. February 14 is just around the corner, and even if you do think of Valentine's as a ...