Since last April, the Kindle has topped physical books in sales on Amazon and with the Kindle Fire, the ecosystem will continue to expand. More remarkably for a device introduced in 2007, this has taken place while the sales of printed books have continued to expand rapidly for Amazon in the current Recession. But with the new Kindle Fire on the market and older models facing price cuts, expect digital books to far exceed traditional book sales on Amazon (and elsewhere). The eBook market has not resolved all the issues at stake, but the format has finally hit a convenience threshold. And of course, the introduction of the iPad (03 April 2010) has had something to do with this as over 30 million are now in the hands of consumers.
And Microsoft? They announced in August that Microsoft Reader will be discontinued in August 2012. With the rapid pace of innovation, a program designed for reading on computers and Pocket PC’s as simply left behind
The graphic below from Dan Frommer says it all: