Innovation product of a smart-pen

 Our group innovation idea is to design a smart-pen to help student to improve writing skill, which may include functions of correction of spelling and grammar, please feel free to add any ideas about the smart-pen, but make sure that is feasible and please read the assignment guide. Also, please try to upload a draft of idea in a week time, we need to prepare for our presentation which related to the topic, and we only need a frame of the smart-pen idea.