From The Huffington Post Tech Blog:
Consumer Intelligence Research Partners (CIRP) released analysis of Amazon Prime members and Kindle device owners from Amazon, Inc. This analysis indicates that these programs have become significant drivers of Amazon sales, even in light of the recent Amazon Prime price increase, and significant competition in the tablet computing market.
. . . .
Based on the survey data, we estimate that as of March 31, 2014 Amazon Prime as 27.8 million members in the US, and that 31.3 million Kindle Fire and Kindle e-reader devices are in consumers’ hands. Both serve as superb affinity programs for Amazon, as Kindle owners spend 30% more, and Prime members spend twice as much, as the rest of Amazon’s customers.
. . . .
[A]lmost 90% of current Amazon Prime members say they will ‘definitely’ or ‘probably’ renew their membership
Link to the rest at The Huffington Post