Squidoo? It’s a website that allows people to create a "lens", or aggregate web resources on a particular topic. Websites that break down the web into more navigable, useful sources of information like this are becoming increasingly important in the ever-expanding internet. Tatsuya Nakagawa, president and CEO of Atomica Creative, a product marketing firm, has put together this lens on product marketing. It has quite a few helpful resources on this issue.