I do this too. As well as ebooks, I have all my household manuals on it (washing machine, gas boiler, etc.) plus manuals for various devices - so much better th

I do this too. As well as ebooks, I have all my household manuals on it (washing machine, gas boiler, etc.) plus manuals for various devices - so much better than either keeping the paper ones, or keeping PDFs on the computer, as you can annotate them too!