week #5
Facebook campaign
Links:
1. https://www.facebook.com/groups/bitco/permalink/1254683526668984/
2. https://www.facebook.com/groups/bitcoinandcryptocurrencies/permalink/65870475718217/
3. https://www.facebook.com/groups/1411441652288059/permalink/17760862424902547/
4. https://www.facebook.com/groups/1411441652288059/permalink/1776087855823205/