Yes, I realized right away too that sometimes the trackables listed were in the cache but most of the time they weren't. I don't bother to look and see if there are any listed in any of the caches we intend to find on a particular day. Either I find one or I don't but it's fun when I do. It's a great idea to add to the supply of trackables out there, especially if it's not going to bother you when they go missing. I do think, though, that posting notes to the bug owner and in your log so the cache owner can mark them missing is a good thing to do. If more people did it, the info would be more accurate.