We just got a quick look at one of those Vitality GlowCap bottles. It's about as dead simple as it looks: the LED at the top of the cap glows (orange, but there's also a blue mode that must mean something else like "you're all going to die"), and with the right amount of adult supervision you can push down and twist off the cap. All the details of the service, which involves patent recognition to figure out the best way to remind you and incentivize you to take your pills via phone calls, flashing lights, and social network reminders, aren't completely ironed out, but it sounds like Vitality is paying AT&T up front for the bandwidth -- at least you won't have another charge on your AT&T bill to worry about. Not shown is a base station that the GlowCaps connect to over 2G wireless (more unclarity here, but rest assured your prescription infos will be beamed over the internet via AT&T's network), and which does the primary flashing when you need to take a pill.
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Vitality GlowCap hands-on