With all due respect - you won't see the benefit after just one day! Once it learns what you like through thumbs up and down, add your favourite shows, actors or directors to your wish lists and set them to record, then it starts to become your best friend (in PVR terms at least!).
Page up and down any menu using the Channel up and down buttons.
Reminders will be added back in at some point as they are an essential feature, regardless of how some people will tell you to live your life.
Happy TiVo times!