what are the best and worst features of ios 6?

Best features

1.Condensed icons on app store.

2.seperate app for youtube

3.pass book app

4.New App layout- you can go back to the app after installing it "open"

5.Battery life has increased by good margin.

6.New interface for Music

Worst feature

1.Lag and drag at many places.

2.App store crashes

3.slow loading of maps.

4.The pop up message to delete app takes considerable time.

5. i Tunes crashes.

6.Not smooth while surfing.