they flopped this royally, just like windows mobile. they created a shitty ux by shoving it inside the bing app, then they decided to charge for it instead of capturing all enterprise value.
lastly, the product has stalled and missed on their biggest opportunity which is tapping into the data. you can think it's because of how complex it must be, but then openai and everybody else did it.
it's truly a lesson in product mismanagement, once again, from microsoft