Yes, it is used a fair amount by web developers. Often I notice more junior developers making up their own things, but that leads to situations where your debug

Yes, it is used a fair amount by web developers. Often I notice more junior developers making up their own things, but that leads to situations where your debug/private messages can be sent to a real person. I'll see things like null@null.com or something@nothing.com, which is bad. I believe the owner of null.com gets tons of emails from buggy OnStar notices to mom+pop websites.