this week, zynga launches citiville.s basically farmville for folks who prefer to tinker in a more urban environment. zynga allowed "nightline" a sneak preview. >> we have a barbershop. an indian place. >> reporter: what's the goal? >> the goal is just to build basically, the city of your dreams. >> reporter: a virtual lego kit. lincoln logs for the digital generation. that makes sense. like an old fashioned train set, it bustles and grows the more time you spend with it. but it is intangible. it's a world of av tars and imagination. >> a game like this, ten years ago, was $29 and best buy and now you are getting this for free and you're playing with other people. >> reporter: zynga doesn't charge people to play the games. the company makes most of its money through virtual goods. some users are willing to pay extra for bells and whistles it would take them a long time to accumulate for free. it's baffulling that in a recession, people are using real money to buyage their stuff. >> right. i think that virtual goods is a

zynga hired 850 people in the past year.hey have a total workforce of 1,300 people for an online game. >> it's big business. i wonder if the only work that's getting done are the people at zynga creating the games for people to not do any work at work. you know what i mean? people to not do any work at work. you know what i mean? ort time am around his house. these people chose freedom over restrictions. independence over limitations. they chose mobility. they chosehe scooter store. and this is the team of mobility experts who made it all happen. ii great news, you've been approved for payment. dr. cruz, i'm calling on behalf ofmarie stanford. and they can make it happen for you. hi, i'm doug harrison, if you're living with limited mobility, call the scooter store today. i promise, no other company will work harder to make you mobile or do more to ensure your total satisfaction. i expected they'd help me file some paperwork with medicare and my insurance. i never expected them to be so nice or work so hard to get me a power

show, now you can control commerce, goods and services hour big your city gets that sort of thing, zynga brought you farmville, fishville, et cetera, the beta version of this new game will be rolled out in the coming week. >>> a gigantic ipo, general motors is going to do it again. gm will sell stock to the public tomorrow morning. the auto giant out of bankruptcy says it will sell shares starting at $33 each. at that price, gm will raise $15.8 billion, make together second largest ipo in u.s. history. another stock to watch tomorrow, applied materials, the santa clara company, the world's largest when it comes to chip making equipment reporting a profit ahead of what wall street analysts ex-ed, sales wishy washy applied stock. >>> from chip tech to clean tech, the clean tech expo today in san jose i lots of energy efficiency on display, especially when it comes to cars and motorcycles. look, who says going green can't be sexy. this car, for instance, all electric, zero to 60 in five seconds, can be charged by a solar panel. >> a lot higher adoption of solar panels as the source of the e