The hard drive of Mr. Caputo that Aleesha has been searching for since episode 7 is seen to be on top of one of the hanging ceiling lights.
When Luke is looking for the egg his Angel tries to help him which he doesn't want and calls her by her real name. Uploads are not allowed to know their angels names, but Nora told Nathan the angels names so its very
likely that Nathan told Luke what his angels name was.