https://en.wikipedia.org/wiki/List_of_mergers_and_acquisitio...
Google, Microsoft, and Apple have never bet such a huge chunk of their spending on a single tech that has been so resoundingly mocked. The amount Meta is spending on VR makes the Windows phone look like a drop in the bucket. It's not that they are speculating on a moonshot, it's that they are wasting so much of their money on a single moonshot.