For quick notes at my desk or around the house (i.e., TODOs), I use the backside of opened mail envelopes (i.e., mostly junk mail). They are the ultimate in not

For quick notes at my desk or around the house (i.e., TODOs), I use the backside of opened mail envelopes (i.e., mostly junk mail). They are the ultimate in not having to worry about wasting paper, etc. They are fold for pocket friendly, magnet to fridge, etc. Obviously not for long form (e.g., meetings' notes) but great for random thoughts, etc.