Tubular Labs, a stealth mode starting which is developing a marketing and analytics platform for YouTube channels, has raised $650,000 in a funding round, according to a regulatory filing from the firm today. The Silicon Valley firm is backed by Matt Coffin of LowerMyBills and Allen DeBevoise of Machinima. Tubular Labs is headed by Robert Gabel, the former SVP of Marketing for LowerMyBills. Both Coffin and DeBevoise are listed as board members of the company, which raised around $330,000 of that funding in August. The firm's headquarters are listed in Monte Sereno, California. More information »