>>The hardware scamps are at it again:
>>
>>http://www.theregister.co.uk/2015/01/13/this_10_phone_charger_will_wirelessly_keylog_your_boss/
>>
>>Open source, full schematics, ... (of course)
>>
>>Just in case you can't decide between wired and wireless keyboards ;-)
>
>I just read yesterday how they can do the same with an AM Radio and a cellphone, but for WIRED keyboards, I'll dig the article later...
>
>
>[Update]
>It is not this one, but similar, this one uses FM radio http://www.wired.com/2014/11/airhopper-hack/
>[/Update]
>
>[Update 2]
>This was the one I read yesterday http://news.discovery.com/tech/gear-and-gadgets/hackers-dont-need-wi-fi-to-steal-your-data-150112.htm
>[/Update 2]

True, but those methods are one or more orders of magnitude more difficult. Definitely not script-kiddie stuff.