Moderator, pk_snyths reports at our forums Google pushing Personalized Search. He posts a screen shot of a ugly highlighted reminder from Google to use search history. Looks a bit like the screen capture below, click on it for a larger version.
![search-history-s.gif](https://www.seroundtable.com/archives/search-history-s.gif)
I have never seen that before, and I tend to stay logged in at Google for most searches.
Forum discussion at Search Engine Roundtable Forums.