Advertising dollars are the foundation of the Web video business and those coveted bucks are highly sought after by networks, programmers and independent producers alike. So how do big brands allocate, measure and assess their spending in online video? Daisy Whitney caught up with the chief marketing officer of storied brand Levi Strauss at ad:tech San Francisco to ask him those questions in her New Media Minute. Here’s a rare chance to hear directly from a top decision maker at a major marketer.