From their website: "The members of the eDoctrina team are dedicated to: * Putting the best educational tools in the hands of the nation’s teachers and stude

From their website: "The members of the eDoctrina team are dedicated to: * Putting the best educational tools in the hands of the nation’s teachers and students. * Sending a majority of its profits back to students-in-need." IMO, it's a great example worthy of imitation.