According to Technoratis 2009 State of the Blogosphere report, 70% of bloggers talk about products or brands on their blogs, eMarketer reports. And obviously some of these mentions would be prompted by free sample products, etc.—a practice popular enough to draw the notice of the FTC, which now requires disclosure on such review products.Interestingly, corporate bloggers were least likely to blog about brands and products (lawsuit anyone?), and hobbyist bloggers were second least likely. T