Much economic blither has circulated about the strength of the dollar. But at least it hasn't fallen apart entirely:
Since the first decomposed €20 bill was reported by a state bank in Berlin on June 21, a total of 17 cities have sounded the alarm about disintegrating euros. Authorities in a number of German states as well as the European and German central banks are now investigating. [More]As paper money becomes more awkward in the First World, the problem of plastic is not going away either. You have probably noticed the requirement to show ID when using a card at many retail locations now. In fact, we may see a strong push to merge the two soon.
Still, all things considered cards are much more convenient and so far, my losses to the Bad Guys have been covered by the card issuer.