http://techcrunch.com/2010/09/23/eventbrite-facebook/
Online ticketing startup Eventbrite is amping up the social features of its service by creating deeper hooks with Facebook. When you purchase a ticket through Eventbrite you can already share that purchase with your Facebook friends. But now Eventbrite will be adding a deeper layer of integration with Facebook to power social event discovery.
Later today, when you log into Eventbrite with your Facebook ID, you will start to see all the Eventbrite events your Facebook friends are going to. It will show you a list of social recommendations based on the Eventbrite tickets your friends have bought and chosen to share publicly. It is all opt-in. Activities ned to be shared publicly on an event-by-event basis, and only if the event organizer has made the event itself public.
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Later today, when you log into Eventbrite with your Facebook ID, you will start to see all the Eventbrite events your Facebook friends are going to. It will show you a list of social recommendations based on the Eventbrite tickets your friends have bought and chosen to share publicly. It is all opt-in. Activities ned to be shared publicly on an event-by-event basis, and only if the event organizer has made the event itself public.