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I was personally against the idea, and I turned Suggestions off in my settings for all but one browser. I used that browser to explore what was coming up in suggestions - especially for seeing what extended searches might be suggested.
Over time, I found I appreciated the quick fixes for my typos as well has seeing what similar searches might be the most common. Now I often turn on the suggestions in my main browser - at least I switch back and forth. I find it's an education!
Other than that, I look at it but usually don't bother with it although sometimes I find some of the stuff quite amusing. Good enough for a giggle and maybe a strange thought to ponder.
I wonder if it is going to push more folks in the UK to use google.co.uk