Here’s our roundup of the week’s tech business news. First, the five most popular stories VentureBeat published in the last seven days:

10 customers tshirtWhy getting 10 customers is all that matters — Angel investor and entrepreneur Jason Cohen has a simple message for entrepreneurs: If you can’t find ten people who say they’ll buy your product, your company is bullshit.

8 things I wish I knew before starting a business — In another Entrepreneur Corner column, Grotech Ventures’ Don Rainey offers advice like “Items that do succeed tend to do so quickly” and “People will let you down.”

Verizon systems reveal new Android devices — Motorola Droid Pro, possible tablet — Verizon Wireless is gearing up for yet another wave of Android devices this fall — including the Motorola Droid Pro, and perhaps even a tablet or two — according to mobile gadget site Boy Genius Report.

Microsoft goes free-to-play with Age of Empires Online; announces Microsoft Flight flying game — Microsoft is reviving a couple of its most popular video game franchises, but with a twist.

Foursquare’s Dennis Crowley: Still deciding on Facebook Places — With Facebook’s announcement of a check-in feature dubbed Facebook Places, we’re all wondering how it will affect location-based services like Foursquare. So we went ahead and asked founder and chief executive Dennis Crowley.

And here are five more articles we think are important, thought-provoking, or fun:

check-in-lineGoogle’s social czar picks a location fight with Facebook — Google’s timing can be peculiar — but rarely coincidental. A day after Facebook launched its first location feature, the search giant revealed in a blog post Thursday that more than 100 million users check Google Maps on mobile devices.

Foursquare’s record check-ins aren’t because of Facebook — When Foursquare CEO Dennis Crowley disclosed that his service had a record number of signups on Thursday, a lot of people rushed to declare Facebook the cause. VentureBeat’s Owen Thomas argues why that’s wrong.

For Intel, is there wisdom in buying software companies? — Intel’s purchase of security software firm McAfee on Thursday for $7.68 billion in cash raises the question: what the heck is Intel buying a software company for?

BlackBerry Torch price cut in half at Amazon after Goldman Sachs deems launch “underwhelming” — Only a few days after the BlackBerry Torch’s August 12 launch, Amazon has slashed the phone’s price in half from $199.99 with a two-year contract, down to $99.99.

Are Apple’s iAds stumbling? — Back when Apple announced its iAds platform for creating and placing high-quality ads in iPhone apps, we wondered whether smaller ad networks might get crushed. But early signs suggest that Apple hasn’t mastered this ad thing yet.