It's kind of like when you stop watching TV for years — encountering a TV commercial is a horribly memorable and distracting event. You also develop a hypersens

It's kind of like when you stop watching TV for years — encountering a TV commercial is a horribly memorable and distracting event. You also develop a hypersensitivity to ads on the web after blocking them for a long time. If you are used to them and can block them out you're probably mentally doing the same job as an ad blocker.