DataStax Blog

Plaxo

By Andrew Llavore -  August 12, 2011 | 0 Comments

  • Plaxo uses Cassandra to store contact information
  • “To give you a sense of the scale of our efforts, we’ve reviewed 3 billion contacts in Plaxo’s Cassandra database, compared them with publicly available data sources, and identified approximately 600 million unique people with contact info”


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