Which is the "most serious"/payable business, allowing users to login with FB?

2 pointsgyzar12y ago3 comments

I can only think of Skype and Groupon. Would you mind helping me with a few more examples?<p>Muchas gracias.

3 comments

3 comments · 2 top-level

Irishsteve12y ago· 1 in thread

Ticketmaster

gyzarOP12y ago

I can't find the FB login on Ticketmaster ... Where is it? Thx.

Spotify is one I can think of.

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