We launched a little experiment today at Humaan to rid the world of IE8!
*"March 19, 2015 marks a rather depressing milestone: it’s your sixth anniversary with Internet Explorer 8. As upstanding interweb netizens, we feel we have a duty to intervene… it’s time to break up with IE8."*
I'm liking no.2, mainly because that's when I picked up what your symbol was - something about the longer indicator slowed down the comprehension process for me. Having said that, I'm not a regular driver so take that feedback with a tablespoon of salt!