Used car dealership and buyer face off over one accidental keystroke

One apparently erroneous digit in an eBay classified listing for an Audi S4 has set off an online feud between a used car dealer in Pennsylvania and the car's would-be buyer. Both claim the other is being unreasonable and neither side seems willing to yield. Here's what happened. » 12/16/11 4:00pm 12/16/11 4:00pm