The Lounge is rated PG. If you're about to post something you wouldn't want your
kid sister to read then don't post it. No flame wars, no abusive conduct, no programming
questions and please don't post ads.
Acetone. It normally dissolves such adhesives, but not printed ink. It does dissolve applied ink, such as writing or stamps, do beware.
Apply to the poster behind the intruder and give it time to loosen it up. Then, very gently, starting from a corner, gently roll off the tape.
HTML was invented by a bored physicist. That's wrong.
Then they threw in something that easilly surpassed the horror of VB6: Java Script. That's very wrong.
And to this day no two browsers can really agree on how to present this mess. That's far beyond wrong.