How we bootstrapped Lanyrd using Twitter's social graph
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A talk presented at the London Web meetup on 21st July 2011.
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How we bootstrapped Lanyrd using Twitter's social graph
- 1. Lanyrd.com How we bootstrapped Lanyrd using Twitter’s social graph Simon Willison @simonw
- 2. Lanyrd.com Definitive database of professional events and speakers
- 3. Lanyrd.com Definitive database Social event recommendation of professional events Comprehensive speaker profiles and speakers Archive of slides, notes and video
- 4. Lanyrd.com Demo
- 5. Lanyrd.com Why does it work? •The right crowdsourcing incentives •Wiki-style shared ownership •The parts support the whole •Twitter!
- 6. Lanyrd.com Why Twitter? •It’s where the event discussion happens •Speakers promote their Twitter accounts •Follow beats Friend for recommendations •Culturally amenable to public profiles
- 7. Lanyrd.com Bootstrapping •Classic social software challenge •Our secret weapon: the speakers! •Twitter accounts are public identifiers •(and speakers have lots of followers) •500 profiles before launching our beta
- 8. Lanyrd.com More demos
- 9. Lanyrd.com Key Twitter APIs
- 10. Lanyrd.com friends/ids.json [43593, 19972629, 778518, 1249881, 70478255, 3829151, 350373, 12161, 13141, 751953, 22785347, 2633711, 14835908, 143883, 14159138, 11963132, 14917418, 15732699, 756475, ...]
- 13. Lanyrd.com Under the hood
- 14. Lanyrd.com
- 15. Lanyrd.com Secret weapon #1: Redis
- 16. Lanyrd.com Secret weapon #2: Solr
- 18. Lanyrd.com Calendar •Pull user’s friends/ids.json •Cache for ten hours •Store in Redis •Solr search: attendees:(34722 OR 1312313 OR...
- 19. Lanyrd.com Pros and cons
- 20. Lanyrd.com Pros •One-click signup •Naturally viral •Instant personalisation •Pre-created profiles, ready to be claimed •APIs are pleasant to work with
- 21. Lanyrd.com Cons •One big, scary dependency •No namespace control •Hard to optimise, as no local graph copy •Some users follow/are-followed a LOT •OAuth permissions...
- 22. Lanyrd.com Permissions hell
- 23. Lanyrd.com Tweet this: @lanyrd attending #londonweb lanyrd.com/adthp