AOL (NYSE: TWX) is finally updating its portal’s blog structures with the introduction of the AOL Technology Network, which will house its related Weblogs sites like Engadget, Switched, TUAW, and several others, the few among Weblogs Inc. network that made it through the AOL management changes. Previously, AOL’s blog properties were categorized individually and operated independently, with no rhyme or reason for the separation. In fact, Switched was previously part of AOL News. The more orderly placement is designed to make it easier for Platform-A, AOL’s ad services network, to create more integrated ad campaigns among similar sites.  Release