Lindsay Lohan and other celebrities were tricked into calling for the ouster of Moldova's president. It's the latest example of the Cameo app being used for an apparent political propaganda operation.

Cameo has become one of the fastest-growing tech startups by letting anyone pay for birthday wishes and other greetings recorded by celebrities and influencers. But will its Silicon Valley hype last?

Neo-soul singer Joi Gilliam has performed with some of the biggest names in music like Outkast and Goodie Mob, but her personal taste leans in a funkier...