• John V Posted: 2/26/2009 3:36am PST

    "The Explanation"

    How could single-digit drops in traffic be responsible for double-digit drops in congestion? Just two words: Tipping. Point.
    Or, more accurately (since that Gladwell guy has turned the phrase into something with a rather different meaning), just taking one or two rocks out of the stream can often eliminate a huge amount of turbulence.
    Clear to you now it is?