Originally Posted by troidus
Beware the blurring tools. At least some of them can be reversed. You're probably better off cutting out the section and replacing it with something else.
The difference between the plate being visible IRL and on the Internet is that only a few thousand people will see it IRL, and they're all local to you. On the Internet, it's visible to 7 billion people, and if one of them decides to do something illegal with the info, you'll probably not be able to identify or prosecute him.
Post a naughty pic of the SO with her face blurred and if that photo makes it down to the basement of the internet she will be doxed within HOURS.
Anon can work very quickly when it wants to.