[random42_]

I remember a time when people sold invites for GMail and the list of buyers wasn't short at all.

[jacooper]

That's a service, not a social network which aims to beat the network effect.

Also gmail can talk with other email users.

[random42_]

The argument I was replying to was about people disliking invitation codes. If that's practical or not for a social network is beyond this comment.

[aetimmes]

Social media is a service.