Just plug it in when you take it off at night. That step can't be that inconvenient, can it?
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Clip it to your bedside table, desk - wherever - running cables through it. Voila, no more cables vanishing: they're held close by the clip, and most should have heads too big to fall through the gap between the clip and the desk :).
Inductive charging pads are a great idea, but you need a big vendor to make a standard one. Apple is probably the only company with large enough marketshare. If they came up with an inductive charger for their iPhones/iPads, their product would quickly become _the_ standard. Eventually Amazon would install the technology in the Kindle, Android handset makers would do it just to keep in the game. 3rd-Parties would make inductive power stations for cars, bedside tables, dressers, desks, you name it.
And I would buy at least three.
"Pebble's USB cable is custom cable because the watch will be waterproof and can't have a big hole for the regular USB socket. We will be selling extra cables as well."
I'd rather have micro USB than waterproof, IMO.
However, if it only needs to be recharged every 7 days, I could recharge it along w/ my fitbit each weekend.
Charge one unit, and all the other units can pull energy from it.
Maybe there is a need for a micro-form factor rechargeable battery that can be put in electronic devices as a standard.
But a central power unit that worked across all devices has some major issues. If you look at something like the "Duracell Instant USB Charger", there's a few batteries like it with usb now. Looking at something like that though, I question if it's possible to make a central, charge-one-unit, device that is actually convenient/functional and makes life easier. Even though the size is down, their annoying to use. Plugging devices into it during the day on a regular basis would be suck. Unless you make some sort of inductive pants lol.