so everyone knows about these little thingys;
http://www.redorbit.com/news/technology/707618/man_power_pressure_pads_under_pavements_could_generate_electricity_from/

why not put them on the floors of chicken farms? they're crammed in there so they'll being pressed all the time. could save farmers a LOT of money in energy and enable Tesco to sell meat even cheaper!

what say you?