[Obadiah]

...$5.99 a month. Half the normal annual $99 fee that has to be paid upfront in advance.

My math is a bit rusty, but the reduced annual fee of $71.88 represents about a 27% discount, not 50%. I'm not an Amazon apologist, but as long as they don't pass along any cost to everyone else, that's fine.

[Neidermeyer]

The monthly Prime fee is $10.99 / $132 a year ... so it’s a 45% discount.