Â鶹Éç

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Twitter now has over 300 million monthly active users, but how much has the social media giant changed since its creation in 2006? The Â鶹Éç's Nick Robinson spoke to its co-founder Evan Williams, in Silicon Valley, about his utopian vision of connecting people online and the internet's powerful potential. (Photo: Evan Williams speaking at the WIRED Business Conference, in New York City, 2013, Credit: Brad Barket/Getty Images for WIRED)