Rocking Chair that Generates Electricity from the Rocking Motion

I have to say that this idea is very useful, safe energy and I would like to see it applied more. The Murakami Chair’s has an attached lamp that is powered by your rocking back and forth.Why waste valuable kinetic energy created while leisurely rocking when you could power an OLED lamp while doing so? The OLED lamp even senses when it’s light or dark out, and if it’s light, stores the energy