Wireless charging?
Like on the HP Pre3 and TouchPad? That's one of the reasons I still have my Pre3... very convenient :)
Nokia's next phones will have wireless charging, claims The Verge, and the Finns are joining the Qi camp in the increasingly polarised battle for over wireless standards. The Verge claims to have leaked specifications for Nokia's flagship Lumia 920 handset, revealing that it will have Qi-compatible wireless charging and a 4.5- …
It was a handy feature. But what everyone is struggling with now is which standard to adopt. The touchstone charger is bound to be proprietary and can't be used for multiple different devices.
If you look at the coil in the phone it's quite large, another reason why this feature hasn't become widespread yet.
http://www.ifixit.com/Teardown/Palm-Touchstone-Charger-Teardown/810/1
It's likely a combination of the two so call it firmly held technical beliefs about the superiority of owned patents.
Fortunately I think Apple will sit this one out as they already have a patent they can standardize around in this area. Hmm, is that chuckling I hear in the background?