you may have noticed, sergei brynn right there wearing his newest gadget. they turn users into human surveillance cameras, of sorts. google could apply that same technology to produce windshields of the future, while you're being driven to work in that driverless car you can check stocks and weather on your windshield. >>> the company is making fewer of its s model sedans than planned. that means less money will be coming in and investors will be selling off their shares. >>> tonight trader joe's salmonella scare is expanding to more than just peanut butter. sunland is recalling dozens of peanut and almond products sold under archer farms, open nature, fresh and easy and sprouts farmers market. if you want a complete list, go to our website, nbcbayarea.com. >>> it's an epidemic coming to a head, according to the cdc. we're talking about concussions. and it's the youngest athletes who have the greatest risk. stephanie has more. >> reporter: a recent study found a 60% increase in youth athletes treated for traumatic brain injuries. it's so bad, the chief medi