I'm not talking about a change in a single day. The change in question happened in late December, so I do have SOME data. If I lose sales for two years and the

I'm not talking about a change in a single day. The change in question happened in late December, so I do have SOME data. If I lose sales for two years and then EVENTUALLY get a bump, that's two years of network effects and word-of-mouth that I've missed out on.