There are many opinions and articles on what you should and shouldn't do when charging your mobile phone and devices. I have found these to be very accurate throughout the years, both the hard way and otherwise. Although this article may speak to the iPhone, the same rules apply to any mobile device that uses Lithium-Ion batteries, the most common used today ... Android, iPad, Laptop, etc. Read this article for great advice on what NOT to do when charging your mobile devices.
I love technology and how it enhances our lives! Just think, without the Apollo moon missions, we might not have calculators! Imagine!!