Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Usless rubbish to clutter up your life

Why would you buy something that needs batteries to read books?Why would you buy something that costs $300 to read a $3 paperback?Why would you pay and buy a book only to have amazon delete it from your kindle?This is useless rubbish for people with too much money and not much sense.Think how much food and clean water you can buy for some starving child with this money.