theodp writes "Thousands of teachers are using websites like Teachers Pay Teachers and We Are Teachers to cash in on a commodity they used to give away, selling lesson plans online for exercises as simple as M&M sorting and as sophisticated as Shakespeare. While some of this extra money is going to buy books and classroom supplies, the new teacher-entrepreneurs are also spending it on dinners out, mortgage payments, credit card bills, vacation travel and even home renovation, raising questions over who owns material developed for public school classrooms."
DEAL: For $25 - Add A Second Phone Number To Your Smartphone for life! Use promo code SLASHDOT25. Also, Slashdot's now on IFTTT. Check it out! Check out the new SourceForge HTML5 Internet speed test! ×