There are signature campaigns ...
OP asked about twitter campaign, maybe it was typo?
if you want join twitter campaign is very much
what the hell you mean by this? very much what?
you can visit section service for pay bitcoin
or section market placed altcoin for pay altcoin
I guess you were using google translate for made this post?
Btw, all of your suggestion was given by someone, so it's useless.
@Op, since you already know how to find twitter campaign, you should lock this topic.