How this industry creates externalities – negative/positive production/consumption externality. does it impact society negatively or positively?

The demand and supply of smartphones and tablets

part 1. overview of the industry – how consumption and production has changed in the past 10 years. what are the factors that have changed consumption and production

part 2. how this industry is creating market failure – government failure? market failure? or both? – smartphone/tablets does not have government failure lol

part 3. externalities – how this industry creates externalities – negative/positive production/consumption externality. does it impact society negatively or positively? government