People who sign in to Waze for the first time using their Facebook account, or who use "Other" and then choose anonymous/don't create an account. It's a generic system-generated account and they've been around for years, but now showing up in the forums due to the facebook "integration.". It's been discussed in a few different threads.

Thanks. I did a search but didn't find anything. Must OT of used good words to search by. Haha!