http://www.huffingtonpost.com/2010/07/12/why-didnt-i-think-of-that_n_643458.html#s113145

You ever see a new product and immediately think "I could have thought of that?" and then repeatedly kick yourself for the rest of the day for not being a gazillionaire? Yes yes, we've all been there. And we're right. We could have been gazillionaires. All of us. Yet for some reason we didn't patent our "pizza scissors" or "remote control bottle opener." Like fools! Anyway, the people behind these products have. And now they're just rubbing it in our faces while we're not sleeping on a pile of money.