From now until acquisition, the language internally will be 'we have our own identity within Microsoft' and then 3 to 6 months later, there will be these offhand remarks from senior management about how nameless other employees are confused about their place in the company. Then within 1 year, there will be an email about how the CEO has decided to eleviate the confusion among the staff and unite the company under one name. And that name surely won't be Bethesda.