“Many bloggers have accepted perks such as free laptops, trips to Europe, $500 gift cards or even thousands of dollars for a 200-word post. … The practice has grown to the degree that the Federal Trade Commission is paying attention. New guidelines, expected to be approved late this summer with possible modifications, would clarify that the agency can go after bloggers — as well as the companies that compensate them — for any false claims or failure to disclose conflicts of interest.”