mincedLifeCentral

This sort of stuff can only happen in Hong Kong... a verbal altercation on board a bus spawns a frenzy that marketing types can only ever dream of. View the subtitled version here (NWS)

There's an introduction to The Bus Uncle from Wikipedia.

Over in metafilter there's an interesting dissection of the cultural aspects involved. Another discussion in the same site deals with a similiar sort of thing.