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How Lanyrd uses Twitter

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Simon Willison
Simon Willison

Presented at Twitter DevNest London on 3rd May 2011.

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Lanyrd.com making conferences work Tuesday, 3 May 2011
Lanyrd.com Definitive database of professional events and speakers Tuesday, 3 May 2011
Lanyrd.com Definitive database Social event recommendation of professional events Comprehensive speaker profiles and speakers Archive of slides, notes and video Tuesday, 3 May 2011
Lanyrd.com Demo Tuesday, 3 May 2011
Lanyrd.com Tuesday, 3 May 2011
Lanyrd.com Tuesday, 3 May 2011
Lanyrd.com Tuesday, 3 May 2011
Lanyrd.com Tuesday, 3 May 2011
Lanyrd.com Why does it work? •The right crowdsourcing incentives •Wiki-style shared ownership •The parts support the whole •Twitter! Tuesday, 3 May 2011
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 Tuesday, 3 May 2011
Lanyrd.com Twitter as an Identity Platform •Make assertions about any Twitter user •Create profiles to be claimed later •Instant personalisation •Naturally viral Tuesday, 3 May 2011
Lanyrd.com More demos Tuesday, 3 May 2011
Lanyrd.com Tuesday, 3 May 2011
Lanyrd.com (Inspired by Rapportive) Tuesday, 3 May 2011
Lanyrd.com Tuesday, 3 May 2011
Lanyrd.com Tuesday, 3 May 2011
Lanyrd.com Under the hood Tuesday, 3 May 2011
Lanyrd.com Calendar •Pull user’s friends/ids.json •Cache for ten hours •Store in Redis •Solr search: attendees:(34722 OR 1312313 OR... Tuesday, 3 May 2011
Lanyrd.com Redis set intersection Tuesday, 3 May 2011
Lanyrd.com users/search.json Tuesday, 3 May 2011
Lanyrd.com friendships/create Tuesday, 3 May 2011
Lanyrd.com lanyrd.com badges.lanyrd.net Load balancer HTTP cache (nginx) (varnish) app server app server app server (Django/Apache) (Django/Apache) (Django/Apache) background caching (memcache) processing (celery and cron) search server search server search server (solr master) (solr slave) (solr slave) K/V store Database (redis) (MySQL RDS) Tuesday, 3 May 2011
Lanyrd.com @lanyrd attending #devnest Tuesday, 3 May 2011
Lanyrd.com We’re hiring! (soon) Tuesday, 3 May 2011

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How Lanyrd uses Twitter

  • 1. Lanyrd.com making conferences work Tuesday, 3 May 2011
  • 2. Lanyrd.com Definitive database of professional events and speakers Tuesday, 3 May 2011
  • 3. Lanyrd.com Definitive database Social event recommendation of professional events Comprehensive speaker profiles and speakers Archive of slides, notes and video Tuesday, 3 May 2011
  • 4. Lanyrd.com Demo Tuesday, 3 May 2011
  • 9. Lanyrd.com Why does it work? •The right crowdsourcing incentives •Wiki-style shared ownership •The parts support the whole •Twitter! Tuesday, 3 May 2011
  • 10. 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 Tuesday, 3 May 2011
  • 11. Lanyrd.com Twitter as an Identity Platform •Make assertions about any Twitter user •Create profiles to be claimed later •Instant personalisation •Naturally viral Tuesday, 3 May 2011
  • 12. Lanyrd.com More demos Tuesday, 3 May 2011
  • 14. Lanyrd.com (Inspired by Rapportive) Tuesday, 3 May 2011
  • 17. Lanyrd.com Under the hood Tuesday, 3 May 2011
  • 18. Lanyrd.com Calendar •Pull user’s friends/ids.json •Cache for ten hours •Store in Redis •Solr search: attendees:(34722 OR 1312313 OR... Tuesday, 3 May 2011
  • 19. Lanyrd.com Redis set intersection Tuesday, 3 May 2011
  • 20. Lanyrd.com users/search.json Tuesday, 3 May 2011
  • 21. Lanyrd.com friendships/create Tuesday, 3 May 2011
  • 22. Lanyrd.com lanyrd.com badges.lanyrd.net Load balancer HTTP cache (nginx) (varnish) app server app server app server (Django/Apache) (Django/Apache) (Django/Apache) background caching (memcache) processing (celery and cron) search server search server search server (solr master) (solr slave) (solr slave) K/V store Database (redis) (MySQL RDS) Tuesday, 3 May 2011
  • 23. Lanyrd.com @lanyrd attending #devnest Tuesday, 3 May 2011
  • 24. Lanyrd.com We’re hiring! (soon) Tuesday, 3 May 2011