You can't stay away from it
You find yourself unable to moderate the use of it.
They interest you more than other things.
You find yourself restless when they are not in use.
You begin to loose interest in other activities.
Previous interests become boring or you loose motivation.
Your way of thinking starts to change because you are used to Tech-Mode.
You often spend much more time online than intended.
You make yourself promises only to break them.
You find it difficult to engage in other things - but you must.
Your social life and personal relationships change.
The way you communicate starts to alter.
Your nutrition and sleep can be affected.
You start neglecting responsibilities.
Your Quality of Life suffers.