I haven't made up my mind if this is a good idea or a stupid one...
"Traveling abroad, point to one of the universally recognizable symbols (phone, restroom, airport, etc.), then point at the question mark, and that should be enough for a native to figure out what you’re after. Okay, so this isn’t exactly business casual — it’s more like bar casual — but you could always wear it underneath a dress shirt. Then, when you need help, just rip it open, Superman-style, and commence pointing. Seriously, it’s perfect for when you travel to places where you don’t speak the language. The oh-so-clever Traveler’s Phrase Book T-Shirt sells for $28.41 U.S. [via tcritic.com]"