Résumé en anglais, mais la conférence est en français. Voir http://www.afroginthevalley.com/2011/04/19/my-ignite-where-2-0-talk-locked-out-in-london/ pour la version que j'ai donnée en Californie au mois d'Avril 2011. --- For the last year, we have been harvesting/indexing people tweeting about their needs in specific places. People locking themselves out in London (we find 5 each day). Needing a dentist in Toledo (at least 30 per week). Craving poutine in Montréal (lots and lots, and some fights with a poutine bot)... Not only explicit needs and places [I'm hungry] [in San Francisco], but implicit place names, using words, expressions, nicknames and slang and not telling the world they are hungry (or what they had for lunch)... but that they