Besides unlocking and locking the doors, the gadget has also become a go-to way to find ... in a near-complete circle. If you've ever wondered what the circle arrow button on your key fob is ...

I guess this is a way to communicate to searchers that you can click on the search result to go to the web page ... are direct right pointed arrows in circle buttons.

Bing is now testing placing these arrow buttons, in a circle button format, next to the sitelinks. This is something Google has been testing on and off for some time in their search results as well.