Paris and San Francisco based startup Fanzy, a Facebook app that rewards fans for spreading the word and helps brands to attract social influencers, has raised $500,000 in additional seed financing.  The financing brings Fanzy’s total capital raised to approximately $850,000.

Fanzy's investors include founder and CEO of media buying agency Libre & Change, Georges Chryssostallis, Gary Stiffelman, a partner at the Los Angeles entertainment law firm of Ziffren Brittenham LLP, which also serves as an advisor to Fanzy, and Roland Swenson, founder and CEO of the SXSW interactive and music festival.

Fanzy's Facebook app gamifies the fan experience ...