mostly commercial ads on your screen spoiling and distracting that what you are looking at/for.
looking into a problem in with you have to keep your focus, for instant: terms of licensie or something interesting.
banners and banner ads flicker, beep, yell, ring and more to press their button.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug