NEW YORK (AdAge.com) -- The dynamics of online video distribution, which are already confusing to many in the marketing and media industry, are suddenly becoming even more so because of the explosion of social-media networks and tools such as widgets. In effect, these allow video to be placed into the viral wind and randomly blown across all of cyberspace. It's a distribution method causing increasing angst among marketers and their agencies. In other news in this 3 Minute Ad Age, in-cinema advertising is experiencing a boom. And big pharmaceutical companies have agreed to curb some drug advertising.