his most recent job, head of guitar hero division. so dan spent several years distracting kids from their homework. now he's selling them books to do their homework. this is his second trip here. and sarah lacey of tech crunch. it's not a quarter million dollars. it's a quarter billion dollars. >> right. >> how can you be saving that much money? >> all the taverns that are on campus. >> how is it possible you are able to save that kind of money that some other organizations cannot? >> it's the simplicity of the model, which is kids have been paying high prices for new books and even high prices for used books. if you were to buy a book for $100, you could rent it for $70. you could rent it from us for $40 or $50. >> have you done something particularly innovative to pass along the savings that other people couldn't? >> it's a simple model to understand. most of us don't want to keep our textbooks. so buying it does not create value for us in the long term. so we can reuse from student to student to student until the edition is done. t

dan, by way, is former ceo of guitar hero. >>> now, it's the latest high-tech rage.f you could make purchases without using cash, a check or credit cards? if you own a smartphone, you know the possibility is already in the palm of your hand. pay pal and bling nation have been rolling out products which allow people to hand over money to stores, restaurants and coffee shops and friends with the tap of a mobile device. other companies like apple, at&t and verizon wireless are getting ready to do the same. former chapters, it's a plus. they can gather customer data in a more detailed way than permitted through the credit card system. this allows sellers to target sales offers to regular customers, or those who haven't gone shopping in a while. >>> and now cnbc's tyler matheson takes a look at the upcoming week in the world of business. >> reporter: the government releases last quarter gdp figures on friday. that's gross domestic product, adding up all the values of goods and services in the u.s. over the past three months. chairman i felts are looking for both of 1.5%.

that includes halo, guitar hero and bejewelled. it will link phones to x-box live service.he phone goes on sale during the holidays. are you gaming? >> no. but my kids do. >> big-time, right? >> yeah. and they all want new phones. >> i feel old but i don't really get it. i know many people -- >> hold it over their head to make them do their homework, too. >> that's a good point. what i really don't get is the weather pattern. >> a lot of people not happy with it either. explain what's going on and why today is cooler than yesterday. the year without a summer. i think we can start calling this as the kids head back to school. 5:17. the silver lining, if you will, the warmest month in san francisco always september and october. so we still have the promise of some warmth there. here's a look outside. you saw some of the clouds and mist and drizzle that is falling and the temperatures in the 50s in all of our neighborhoods and same thing around the monterey bay. all right. less sunshine today and the temperatures will pull back about 3 to 5 degrees cooler than yesterday. cloud

he used to be the ceo of guitar hero and before that yahoo!. he encouraged kids not to do homework there, to one where he is renting them the textbooks. he is making up for past sins. yes. there we go. >> we will send him the tab. thanks. >>> let's talk baseball. giants open a series in st. louis tonight. more on that in a moment. first last night's game against the phillies. here in the first, buster posey knocks in freddie sanchez with this double. that worked so well, posy tried again in the third. his second double scores, you guessed it, sanchez again. giants beat the phillies 5-4. you can see tonight's game on nbc bay area. coverage starts at 5:00. after the game a special edition of nbc bay area news. >>> the a's play game two of their series against the rays. the a's were losing last night's game, but cliff pennington took care of that with this two-run double. a's go on to win 4-3. >> we like that. >>> from pinstripes to possible prison stripes. former major league pitcher roger clemens is in big trouble this morning. the feds indicted

that includes versions of halo, guitar hero and bejewelled.he phones go on sale during the holidays. finally if you can't get enough rachel rayon t z- now you can take her everywhere you go. she hassan i-phone app called tasty bites with cooking tips and shopping tools that get you in and out of the market faster. that app costs $1.99. for information log on to the technology page of abc7news.com. >> actor michael douglas says he will undergo radiation and ke chemotherapy for a tumor in his throat. he's optimistic. he's currently spending most of his time outside the u.s. he's married to katherine zeta-jones. 6:25. still ahead at 6:30, latest on a fatal late-night shooting involving burlingame police. plus a frightening encounter that one bay area kayaker will never forget. why officials are telling local swimmers to stay out of the water. >> and also a nice neighborhood has police on the search for a suspect. i'm theresa garcia live in san francisco. it happened on a muni bus and we'll let you know what might help police catch that suspect up