Tablet apps are generally not consumable, books are. I use maybe 5 apps on my iPad that weren't free and I keep using them. If I only purchased 5 books on my Ki

Tablet apps are generally not consumable, books are. I use maybe 5 apps on my iPad that weren't free and I keep using them. If I only purchased 5 books on my Kindle it would have become worthless to me after about 2 months.