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Which is the "most serious"/payable business, allowing users to login with FB?
I can only think of Skype and Groupon. Would you mind helping me with a few more examples?<p>Muchas gracias.
- opionion-matter 13y agoSpotify is one I can think of.
- Irishsteve 13y agoTicketmaster
- gyzar 13y agoI can't find the FB login on Ticketmaster ... Where is it? Thx.