Also in the watching with interest camp, for commuting an hour each way.
All my varied accidents have happened in front, granted lots of excitement squeezing past from behind. My claims have been lucky in that the other parties admitted fault, more or less and there were witnesses, London rush hour tens to have lots of people about.
I always likes the idea of a helmet bullet cam on the gounds of a person tends to look at the object of imminent danger, but I see the argument for a backward looking one.
The GoPros and the other square cameras look stupid to me, as irrational as that might be.