Fascinating shit.
[ame="http://www.youtube.com/watch?v=w29DrEEsqT4"]YouTube - Example of eye-tracking on Universal Search[/ame]
The red dot represents where the user is looking on the SERP and the size of the dot grows the longer they look at that spot. This was posted by Google, and is the result of experiments they did with users hooked-up to an eye-tracking device while they did a search on "how to tie a tie."
[ame="http://www.youtube.com/watch?v=w29DrEEsqT4"]YouTube - Example of eye-tracking on Universal Search[/ame]
The red dot represents where the user is looking on the SERP and the size of the dot grows the longer they look at that spot. This was posted by Google, and is the result of experiments they did with users hooked-up to an eye-tracking device while they did a search on "how to tie a tie."