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Teachers Turn to Simulations, Other Software for Variety of Lessons

In other cases, the same digital economics have spurred entirely new business models, such as "Freemium," a free version supported by a paid premium version. This model uses free as a form of marketing to put the product in the hands of the maximum number of people, converting just a small fraction to paying customers. It's an inversion of the old free sample promotion: Rather than giving away one brownie to sell 99 others, you give away 99 virtual penguins to sell one virtual igloo. (Confused? Ask a child: This is the business model for the phenomenally successful Club Penguin.)

I've been using a USB stick with Portable Apps mentioned in this article. Highly recommend.

nice writeup on portable apps for usb thumb drive

FREE for kids to use an animated desktop where they perform safe searches for articles, videos, tutorials and more.

As one of the most important car accessories, motorized Car DVD players just get hotter and hotter. Well, its hit may result from the visual digital impact that are becoming more and more unresistable to young people and the high tech technology that make me think we are geek. No doubt car DVD players have paved its landing success to SUVs and automobiles. They are fun, they are great but they also cause problems. The car entertainment systems like motorized DVD players had joined talking on cell phones and text messaging as the third potentially dangerous distractions that may cause fatal car accidents.

With sunglasses companies like Oakley and Maui Jim already dominant, it seems Callaway has an uphill battle. Top-quality sunglasses and technology will make a difference.

"Moves to clone and genetically modify farm livestock have opened the door to the creation of "Farmyard Freaks", experts have warned. News that the daughter of a US clone cow has been born on a British farm has moved the issue from science fiction to consumer reality." (Mail Online)

These under-$200 models prove that you don't have to spend a mint for a capable, easy-to-use point-and-shooter.

Six innocuous cameras, each packing a high-tech secret. But are the hidden powers worth seeking?

The Acer owes its speedy start in part to its Linux-based operating system, which is far more nimble than Windows. Of course, you won't have access to Windows-compatible software, but the custom-built Linux interface is friendly and you get a full set of office, media and internet applications on its 8GB solid-state drive.

ProProfs has upgraded Quiz School, a free online resource that allows educators generate custom assessments. The new version, launched this week, adds integration with popular social media services and includes new analytics and reporting features. Quiz School is designed to let educators create online quizzes and practice tests for their students. In addition to custom quizzes, the service provides a library of pre-designed quizzes, which range from K-12 education to technology certification, SAT and GRE prep, and general trivia. Students can take tests without logging onto the system and receive instant scores and personalized feedback, including tips for improving performance, according to the company. Users can also assign keywords to specific quizzes for easy retrieval.

Twitter is a software tool that allows users to continually post (or "tweet") very short text messages to the Web from computers or mobile phones. These quick public messages simply describe what a user is currently doing. Twitter's appeal has mushroomed, making it a much-discussed new tec