Favorite Social Network - Final Round

Rules
1)Eliminate your least favorite site.
2) You can vote only once.

Elimination History
Orkut, Hi5 and StumbleUpon were eliminated in Round 1.
Quora, Badoo and Bebo were eliminated in Round 2.
Flickr, Myspace and Google+ were eliminated in Round 3.
ask.fm, Pinterest and Twitter were eliminated in Round 4.
Instagram was eliminated in Round 5.
Deviantart was eliminated in Round 6.