Since launching Amazon Prime seven years ago, the e-commerce giant's membership shipping program has taken off among shoppers who opt to pay a $79 annual fee for unlimited free two-day shipping.
Now Amazon says that more items are shipped via Amazon Prime than its free Super Saver Shipping option, which enables shoppers to get free standard shipping on orders of $25 or more.
Today, more than 15 million items are eligible for Amazon Prime, up from 1 million in 2005. The company has also added more than 22,000 movies and TV episodes to its Prime Instant Video library; Prime members get unlimited streaming and can borrow more than 180,000 books for free in the Kindle Owners' Lending Library.
The Seattle company said the top three items purchased through Amazon Prime this year are the Kindle Fire tablet, the $79 Kindle e-reader and the Kindle Touch. No. 4 is the raunchy "50 Shades of Grey."
The most-watched TV show available through Prime Instant Video is the first season of "Downton Abbey" and the most-watched movie is "The Girl with the Dragon Tattoo." And the most-borrowed title in the history of the lending library is The Hunger Games.
Amazon didn't say how many people have signed up for Amazon Prime.
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