Originally Posted by Kali Yuga
Last but not least, it is actually somewhat rare (afaik) for a multifunction device to completely replace a focused one. The only instance I can think of is the PDA getting largely rolled into smartphones.
Ummm...a few examples off the top of my head are: word processing software buried dedicated "word processing typewriter" type devices (which were on way to replace the venerable IBM Selectric typewriter because the WP models had spell check and limited ability to edit before the data was actually printed/typed on the page) back in the mid-80s to early 90s, PDA's replaced the electronic address book and then the multi-function cell phone or MID has replaced the PDA only not very successfully...and multi-function printer/xcanner/fax machines replaced three devices doing a very good job as a rule.
Ereading devices cannot continue to be on-trick-ponies at their current price point...drop them to $50-$99 and there is room for discussion but not at $200+
I am in the camp of wanting a multi-function and/or open device that lets me choose what added functionality is installed on the reader...you know, just like a PDA...which millions of people still use daily even though their model is no longer made or supported.
BTW, a PDA actually IS a multi-function device already, these alledgedly "smart" phones simply added a phone to the mix but at the expense of diluting some of the the other features of the PDA.