[ female announcer ] new and improved swiffer dusters with dust lock adhesive can clean virtually every surface in your home. ♪ its thousands of fluffy fibers pick up dust here, there, pretty much everywhere. and swiffer dusters traps 3 times more dust than a feather duster. and locks it away. ♪ swiffer cleans better or your money back. ♪ get around introducing the perfect situp. invented by the u.s. navy seal who brought you the perfect pushup, the perfect situp re-invents the situp by combining the upper ab crunch with the lower ab leg lift. then the perfect situp adds an audible coach. you'll hear a click when you've done the exercise correctly. you hear it and you'll feel it. it's this one-two punch that gets you better faster results. traditional situps and crunches are hard to do, and only effectively work half your abs -- the upper half. but the perfect situp targets and tones the upper abs and the lower abs. the secret is