I am using an iPad (safari) to get to my guitar trick lessons. When I mark my lesson as " I'm Done" a popup display, the only choice I have from there is to click on the big yellow button that says "I'm Done" again. When I click it, I am rerouted to a Facebook log in. I do not want to log in to Facebook when i do this. it does that every time I want to flag the completed lessons. This is annoying and useless.... Does it really have to be that way? Can the application be change to make it easier?