Vine was married to Twitter for login / registration. It made the most sense for Twitter to buy it. Microsoft's hitting a momentum of growth currently, which might be a good time for them to make some acquisitions, they've also started booting back up some of their game studios as well.
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Why didn't Microsoft buy Vine when Twitter was struggling a few years ago?
Vine was married to Twitter for login / registration. It made the most sense for Twitter to buy it. Microsoft's hitting a momentum of growth currently, which might be a good time for them to make some acquisitions, they've also started booting back up some of their game studios as well.
Grandfathering existing user's Twitter login then having all new users use a new login system would not have been hard.