Estimote's stickers let you add tiny sensors to just about anything
 

The problem with the internet of things is that you often have to buy expensive add-ons or replacements to get all those clever sensors; you may not want to buy a bike computer just to track your rides. If Estimote has its way, you won't have to. Its...

http://www.engadget.com/2014/08/21/e...=rss_truncated