Answer:
Social Technological environment
Step-by-step explanation:
The trend of people towards a technology is the main reason for that technology to take exponential growth and keep the status. As out societies are getting many earning facilities and business facilities and many knowledge areas are made theses days due to cellular phones, so the social environment is taking major part in popularity of them. And as they become popular, society tends to provide them as soon as possible in cheap ways and in best quality.