But that was before the likely primary cause - the battery - was ruled out.

BBC: Dreamliner: No fault found with Boeing 787 battery

One of the aircraft's two batteries was replaced in October after it failed to start the jet's engines, the battery's primary function.

WSJ: FAA Grounds U.S. Boeing 787 Dreamliner Flights

Alright, first up we've got the catchily-named BCM20751, which performs the rather ordinary tasks of GPS, Bluetooth, and FM radio management but also throws in an audio processor to offload some work from the phone's primary CPU, which the company says can reduce battery consumption enough to improve playback time by up to 100 percent in some situations.

ENGADGET: Broadcom announces Android support, three-pack of chips to make your phones more awesome

It's called the Pleo Reborn (or "RB" for short) and the primary features are these: a lithium-polymer battery good for two hours of continuous use, a much tougher hide, and an RFID "sense of smell" that lets it interact with a variety of optional accessories to "eat, " take medicine for virtual injuries and learn new tricks as you go.

ENGADGET: Pleo Reborn detailed by Innvo CEO, one lucky fan finds and buys the tiny dino (video)

As handsets become more capable from battery and speed perspective, the migration of customers using the cell phone as a primary source of engagement is increasing quarter over quarter exponentially.

FORBES: Verizon Very Excited That It Can Track Everything Phone Users Do And Sell That To Whoever Is Interested