These numbers are all in percentages. My guess is iTunes went down to meet Spotify and they didn't meet in the middle which means less money is going to the musicians and the people who make the...
All those updates were optional updates weren't they.
They are saying they are going to slow down the top 5%. Since the bandwidth use is going up for everyone the threshold for throttling is going up as well.
As for the headphones Beats currently makes $1 billion a year. So Apple will make their money back in 3 years.
It said you needed a lightning connector. That's why it's the 5 and above.