This article is by Karen Schweitzer, the About.com Guide to Business School. Since it was published in 2009, 5 of the original 15 sites have gone away. It's now 10 Free Ed-Tech Resources to Implement in the Classroom. Enjoy. Teachers who are looking for technology to implement in their classroom can find many different resources online. From presentation apps to educational microblogs, the Internet has everything teachers need to improve learning experiences and productivity in the classroom. Here are 10 free ed-tech resources worth exploring: Mindomo – Mindomo is a versatile mind mapping tool that makes it easy to create, organize, and share your ideas. It is a great brainstorming tool for the classroom. SlideShare – SlideShare is the world’s largest presentation sharing community. It can be