Snapchat Lures More Advertisers as Audience Grows

CNBC: With a reported valuation of at least $15 billion, Snapchat ranks at the upper echelon of the most highly valued private U.S. technology start-ups. Now, more brands are eyeing the disappearing photo- and video-sharing platform as a place to advertise and engage consumers. For a recent campaign, American Express purchased a one-day filter option for users to place over Snapchat photos.