Completely agree. I have been using UUIDs for a lot of stuff for a while, and you get used to it just as you get used to any other thing. Performance is usually

Completely agree. I have been using UUIDs for a lot of stuff for a while, and you get used to it just as you get used to any other thing. Performance is usually indistinguishable. Most of the issues in the article are related to practices, some are related to specific platforms. Every piece of code may bite you if you don't know what you're doing. Now, if the developer don't know when it makes sense to use a UUID, there are certainly more problems in the application to worry about. Which is 99% of the cases in most business applications.