this field is required

This NYT arti­cle piqued my curios­ity: Sell­ing Les­son Plans Online Raises Cash and Ques­tions Basi­cally, some teach­ers have made quite a bit of money by sell­ing their les­son plans online to other teach­ers. Some teach­ers’ employ­ers are won­der­ing whether they should be receiv­ing a cut of the prof­its, and one edu­ca­tional expert warns that the …