Multi-Tools: Everything Old Becomes New Again

Sure it's old, but this article on Wired is good for so many reasons.

When the Romans left, the country slipped back into dark times.  ...  At least, though, the cold and rainy nation still has central heating and folding knives, although the latter is now used primarily by gangs of marauding teenagers as they roam the rainy twilight streets in search of old people to stab.