We were in a meeting talking about infrastructure and testing. I said that we used EC2 for some of our infrastructure, and we were thinking of moving some of our local dev infra to AWS. Someone in the room asked me what that was. I responded with "Amazon web services" and they countered "you mean the company that sells books and stuff?" -- they had never heard of AWS, nor EC2
This comes from someone who had been with the organization for some time. He was very well respected by a lot of folks. He had more awards in his office than I could count. I still think he's a great guy.
The Microsoft monoculture hurt quite a bit.