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Plaxo was an online address book that launched in 2002. It was a subsidiary of cable television company Comcast from 2008 to 2017. At one point it offered a social networking service .
Watch videos about Plaxo, a service that syncs your contacts across devices and platforms. Learn how to use Plaxo features, such as personal assistant, address book, labels, and backup.
Plaxo, a service that synchronized contacts across devices and platforms, will end on Dec. 31, 2017. Comcast acquired Plaxo in 2008, but failed to turn it into a social-media giant like Facebook.
We pioneered the “smart address book,” and we host over 50 million address book accounts for Plaxo.com and for Comcast’s Xfinity Connect experience.
Dec 4, 2017 · Plaxo was an online address book service founded by Sean Parker, the co-founder of Napster and an early investor in Facebook. Learn how Plaxo's success, failure, and controversy shaped the social network that became a global phenomenon.
Dec 4, 2017 · Parker's experience at Plaxo greatly influenced the early days of Facebook and is one inspiration for why CEO Mark Zuckerberg locked down his control of Facebook.
Feb 9, 2015 · At Plaxo, Parker conceived of viral marketing campaigns, and had no moral qualms in pinging the hell out of members' contacts until they downloaded the service, too.