The humans had brought many gifts to be given to the ambassadorial staff, members of the government and nobility, and, of course, to the Princesses themselves. The most impressive thing that they had given to the Princesses, at least in Twilight's opinion, were a pair of elegant, custom-made tablet computers. Twilight herself might have never known about them if Luna and Celestia hadn't each called on Erin at different times to help them figure out how to use their new gifts. 