[itp]

I just searched for TPUG on Google in both my logged in profile, as well as an incognito window. Both searches returned primarily results about the Toronto PET Users Group, including a knowledge panel specifically about the Toronto PET Users Group (founded in 1978 by Lyman Duggan).

That's either very quick turnaround to fix, or a deeper mystery!

[reaperducer]

No mystery at all. Google tailors the results to what it thinks you want, rather than what you asked for.

Two people sitting at machines next to each other can perform the same search and get different results. It's what Google's spent billions of dollars on.

[mda]

I expect it to change results, it would be a terrible experience if it did not