Steam Families is here - Steam News

Up to 6, sharing your shareable games library

Adult and child accounts, limit child accounts, approve and pay for child buy requests,

Intended for close household family; can't join a different one until one year after joining

If a family member gets banned for cheating while playing your copy of a game, you (the game owner) will also be banned in that game. Other family members are not impacted.

haha