We offer CrowdFlower tasks at
www.bitcoinget.com. Compared to other sites, we have more tasks available, and we pay higher for the same tasks. If you have any questions, feel free send us a PM.
Is there any way to use this website without having a FB account?
you earn nothing there, few satoshi like with faucets, the same can be said for amazon task, all useless, the best task right now that earn you the most is posting in this forum
there is another forum as well that may add signature campaign, i'm checking it constantly
mturk can help you earn some hundred $ a month depending your country though.
however ,forum.bitcoin.com are against the signature's . If that is what you mean.