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Serious Business Raises $4 Million

Serious Business Inc., a San Francisco-based Internet application startup, has raised $4 million in Series A funding, according to a regulatory filing. Lightspeed Venture Partners led the round, with partner Jeremy Liew taking a board seat.


The company is run by former Powerset engineer Siqi Chen, whose LinkedIn profile describes the company's mission as “making stupid shit on Facebook for fun and profit.”