Your screen shot shows a horizontal bar and label "Frequently visited". How do I get to that feature? I figured out that I can bookmark favorites and it will show on the Safari home screen but I can't figure out how to get Freq Visits.There's a "Frequently visited" feature in Safari:
The podcast, iTunes University, and iBooks apps are now native iOS apps that can't be deleted. If you didn't have them before, they will show up on your home screen after the iOS update.
You're right, it is deletable. My mistake.Podcasts and iBooks are undeletables, yes; however, I was able to delete iTunes University.