I jailbroke my old Kindle, but I found a safer way to add books - for free

With Amazon support ending, I jailbroke my outdated Kindle to install KOReader. Here are the risks, and an alternative.
How-To Geek on MSN

Skip the portable monitor and use a $25 Fire Tablet as a second (or third) screen instead

I got tired of not having a portable second screen, so I turned an old Fire tablet into a second (and occasionally third) ...