It'd be pretty easy to spot too, because most people don’t even bother trying to hide it (either out of laziness and/or ineptitude). A lot of users don’t seem

It'd be pretty easy to spot too, because most people don’t even bother trying to hide it (either out of laziness and/or ineptitude). A lot of users don’t seem to realize that anyone can click on the domain in a "Show HN", and Hacker News will show you all the times that domain has been submitted. So you’ll see four or five different low karma sock puppets accounts that have all submitted the same site.