You know those online display ads that seem to know where you’ve shopped on the web recently? Facebook had been making the most money on them, but new forecasts suggest Google will earn the most revenue from display ads this year. What does this clash of titans mean for mere mortals? For one, Google’s lead isn’t just coming from tech. There are real human beings hard at work selling those ads. Google has about 2,000 people working in New York. And about half of them are marketing folks.

North Carolina is taking a hard line against kids who bully teachers online.  There’s a new law with fines up to $1000 for students putting up a fake Facebook site about the teacher, no tweeting private or sexual info about the teacher or other school employees or doctoring photos. Plus, here’s the definition of a hot ticket: Every month New York Tech Meetup sells out in just four minutes…and the theater’s a big one at NYU. Venture capitalists are here along with engineers,  designers, and start ups both theoretical and already online.

Where is the New York tech scene, and what does it feel like? One way to find out is to take a tour. You could your tour on Wall Street, home of all the big financial firms. Or, you could begin it in the lobby of the swanky Ace Hotel. The long tables are always crowded with young, hip New Yorkers with laptops, headphones and four-dollar coffees. Then, continue on to a very different slice of the New York tech scene, found at 10 Jay Street, in an office building in Brooklyn overlooking the water.

One fresh headline is declaring: “The personal computer is dead.” Might be a bit of an overstatement — but the evidence is that now more memory chips are going into mobile devices than are going into desktops or laptops. The real world lessons here for kids who want to make tech a career? Bedrock assumptions are smashed every couple of years, and we have no idea what the computers of the future will look like. But they can prepare.

For years now, Silicon Valley has been known as the hub of tech development in the U.S., if not in the world. But as the new Marketplace Tech Report launches in New York, we take a look at how that city — known more for its finance and fashion — can also laying claim to a serious culture of tech innovation. In New York’s Meatpacking district, it’s less about wholesale beef and more about young technology firms.

Your Amazon purchase could soon cost you more. On Saturday, the online retailer will start charging sales tax to folks in California. Meaning that here in Los Angeles, a $500 TV is going to cost an extra $44. And, it’s not the only state where tax-free shopping is ending.

After months of speculation and rumors and waiting, Apple unveiled the Phone 5. (You probably heard.) So did the announcement live up to expectations? What should consumers be aware of as far as their own contracts and their own situation goes before they make this jump? And what is the iPhone-less T-Mobile doing to entice customers? (Hint: BYOP)

Today in the world of tech: Apple, Apple, Apple, Apple, and more Apple — as the company unveils its new iPhone. But before you get swept up in the Apple breathlessness, and rush to preorder, you might want to stop and think about exactly what you’re buying into. Because when you buy a device these days, you’re not just buying a gadget — there are whole ecosystems of products and apps and content that are separate for each phone or device.

Fall is video game season. There’s a long list of games coming out in the next few months, many of which let you decide if you want to play as a good guy or a bad guy. Do right or do wrong? The choices aren’t new. What is: “The Walking Dead, “a game that tracks and publishes the choices players make. Plus, games of all kinds are getting a new boost from the crowdfunding site Kickstarter.