Yes but E-coin will end soon.. It's better to join YoBit.net and have payments every ~4hours (daily...)
Ok, so i found a better solution for Jr members, maximum of 25 posts per week at 0.0001
https://bitcointalk.org/index.php?topic=1288202.0 , and if your posts are good you can increase the limit.
25 x 0.0001 = 0.0025 BTC weekly = cryptototal
140 x 0.00007 = 0.0098 BTC weekly = yobit
It's better to join yobit for one or 2 months and then buy Full Member acc and earn 3-5x more
But in one month you can become Member rank and earn 2x more
I always join YoBit.net signature campaign with Jr.member rank.. I'm enrolled to E-coin campaign but in one hour i will join YoBit
this assuming that they are using one account only, but i don't think it's the case, the many rubbish post that someone can notice it's mostly because those user are the same person, that talk with himself all the time
there are many user contorlling multiple heroes account, let alone newbie or junior which are very easy to have, so actually there is no limit in any signature