It might be safe to say that not wanting the middle seat on a plane is a universal experience. It tends to be cramped and uncomfortable, mainly because you sit next to strangers. If the person on the aisle is asleep and someone sitting in the middle or window seat needs to get up and use the bathroom, it's always an awkward situation. Well, here's a hack to hopefully avoid this middle seat uncomfortableness.
There are plenty of websites on the Internet that will help you create a seat alert. If anybody cancels their flight or changes their seat, you will be notified and can switch your seat!