Snapchat raises $1.81 billion in new funding round

Messaging app Snapchat has raised $1.81 billion in funding, the company reported in a U.S. regulatory filing on Thursday, a sign that investor interest is strong despite concerns among some venture capitalists that the platform is struggling to attract advertisers. Venture capital database PitchBook estimated the company's valuation after the financing at $17.81 billion, up from $16 billion at it most recent financing in February. The company, which makes a free mobile app that allows users to s