4. Cup + Phone = Speaker

As long as you have access to a phone and a cup, then you, sir, can have yourself a party.
5. This improvised ice scraper

If the newest Macbook doesn't even have a USB port, it's safe to say your old CDs and DVDs won't come in handy for much else.
6. Never waste another delicious drop of Nutella
Get the most out of every jar of Nutella, avoid doing dishes. Two birds, meet one stone.