Its common that some games have buttons to share the activity of players!

Like you are getting a High OS player by scouting and boom, you can share it!

Also trainings, place on the tournament, won matches against someone you know and tag him

Dbuzz is a microblogging platform as twitter, and there you can have more engage and advertise inside and outside Hive (because with dbuzz you can copy what you buzz straight to twitter)