I’ll give you the punchline: email circulating telling you you’ll find something sinister if you enter the supposed name of one of the hijacked flights, “Q33NY”, in the Microsoft font Wing Ding, especially at a large size. What you’ll find is an airliner, “twin towers”, a skull’n’crossbones, and Star of David. There’s also been about a decade’s worth of concern about “NYC” in Wing Ding, which gives you the skull’n’bones, the Star of David, and a thumbs-up. Microsoft has felt compelled to issue denials that it had embedded hidden anti-Semitic messages in its fonts.