The number of members of the group at the time of October 15, 2019: 11 128 people.
Full name of the group (+ link): Bitcoin (business, investment).
Advertisement price: 50 DOGE (its about 0.12$).

Ad Placement Algorithm:
1) Add to the group.
2) Send for approval your advertisement (or article).
3) You pay 50 Doge to the address DMow4AmsyfCM4GcNDirFsZVEwavGegVcRa
4) Drop me in facebook TXiD from yours doge-translation (or in telegram @goldenbogdan).
5) I affirm the advertisement (publish in the group feed).

* A filter with skipping only paid ads makes the group cleaner and more authoritative, filtering out all spam at once.



Source: my blog on Steemit Facebook Bitcoin Busssiness Group: Posting Your Ad for 50 DOGE or 1 STEEM.