Dan Wheldon, who won the Indianapolis 500 in 2005 and 2011, has died after a fiery 15-car wreck at the Las Vegas Motor Speedway. His car flew over another on lap 13 and smashed into the wall just near the …

Social media geeks, myself included, have been looking for/waiting for the “Twitter Killer” to emerge over the last few months.  While Twitter’s famous crashes seem to have lessened, the stream of consciousness style doesn’t seem to facilitate effective conversations as well as we might hope.