Why on Earth would thousands of people PAY out of their own pockets to advertise the London 2012 Olympic Games for the organisers .
Why on Earth would thousands of people be compelled to RUN almost 3 miles while doing so ?
Why on Earth would thousands of people PAY out of their own pockets to advertise the London 2012 Olympic Games for the organisers , and be compelled to RUN almost 3 miles while doing so ?