Comment by bluGill
In early 2011 when I told people I had an Android they had no clue what I was talking about. A well done long term investment in other phones could have made a big difference - but HP wasn't willing to make it so we will never know. (Microsoft released their Windows phone in 2012, again killing it before it took off).
> Microsoft released their Windows phone in 2012, again killing it before it took off
That 2011 iPAQ has a Windows button. Wikipedia lists them as running "Windows Mobile".