I use mine to write letters, listen to old tunes on YouTube, update a chart on prescription medicines (my hubby is on a lot of medication) and I make my own printed greetings cards.
Oh, and I do online banking - I check on that every day.
that makes sense re book length - I have one kids one I wrote for my daughters at just 4 pages - explaining what happens to Xmas trees after Christmas....(recycled for special soup for the elves Xmas party that Santa has for them)