There’s a common understanding in the developer community that when you’re testing code, don’t do it on a live site. And if you do, make sure it’s transparent to the user. This faux pas tends to be unforgivable when you’re a major review site getting thousands of hits per day.
I hope I don’t get sued for this.
The other night I was logged into my ReviewMe account to add one of my sites, and upon addition some code popped up that probably shouldn’t have:
It looks like someone was doing some testing and was echoing out some post variables as an array, and forgot to remove it. This goes to show: don’t test this kind of stuff on a live site where your users will be able to see it.