An early WebmasterWorld thread is discussing the topic of Google One Box "blindness." Google One Boxes are those enhanced results you see at the top or within the search results of Google. When they first came out, there were hard to miss, but now SEOs and maybe some searchers are subconsciously blocking them out, like they would ads?
Here are some examples of "one boxes":
Get the point?
Do you think all this injection of special "universal search" results, as well as Google owned content (i.e. YouTube, weather, google groups, blogspot, definitions, etc) is going to eventually suffer from "one box blindness"?
Forum discussion at WebmasterWorld.
