"This is a prototype of the product I've been developing for the past year."<Br>"I modified a paid of standard noise-concellation headphones to recognize stupidity and block it before it reaches your ears." "Put these on and you'll enjoy the total bliss that comes from avoiding the chatter of idiots."<Br>"Do they work?" "What?" "I said, do they work?!!" "Does anyone have any questions?" "Those are ordinary headphones, aren't they?"<Br>"If you act like you can't hear, they're a prototype."