This tip may be a little too geeky for some, copied from Smartcomputing.com

If you’re anything like us you’ve been caught more than once wishing you had a pen and scrap of paper to write down something important. What a lot of people forget is that if you have a cell phone you’ll never have to worry about being without again. Most phones have a feature where you can type in short notes to save for later. Or, if it’s easier, snap a quick picture of whatever it is you want to remember—the row number of your parking space is one example that comes to mind. Who needs a pen and paper? Simplify by going digital.