These places give you mbtc for payment whihch would take you 1000 claims in order to get 0.001btc
No worth it to do these micro earning tasks.
I started from these Micro earning tasks and now my Cryptsy account showing me 0.2 btc for me these are very helpful
how long did it take you to reach that much? imo if it took months then it's not really useful at all.