Debate: computers bring more unhappiness?

i'm going to have a debate in cl on the motion above. well, my group is in the PROPOSITION, we support the motion. i know nothing about debate and i need your help to what are the important points i should brought up pertaining the motion that help me to argue that computers do bring more unhappiness? what points should i use to argue the opposition? or to substantiate my points that computers do bring more unhappiness? i'm pretty stuck here. thank you