This column brings you the most interesting and useful business and financial commentary on technology from around the Web every day. ZDNet Link: The Data Black Hole That Could Suck the Life Out of the Internet "Data is the fuel that powers the Internet economy: whether consumers realise it or not in order to use pretty much any website or online service they hand over some form of data which is then re-used or resold. "It's an exchange that is so common that it's even spawned a catchphrase: if you're not paying for a product you are the product. "The ...