http://profy.com Internet news and commentary Wed, 03 Dec 2008 16:30:31 +0000 http://backend.userland.com/rss092 en A huge proportion of tech news has to do with online advertising: studies on its efficacy, technologies for serving ads, ad revenue ups and downs, and acquisitions having to do with any of those. The reality, however, is that we don't know much about how to really leverage online ... http://profy.com/2008/02/25/future-of-web-advertising/