How are Hong Kong Teenagers affected in terms of their interpersonal relationships and socio-political participation by the popular use of smartphones?

I am an S5 student from Marymount Secondary School. I am doing a survey for the IES of Liberal Studies. This questionnaire is set to investigate the pros and cons that smartphones bring to the teenagers of Hong Kong, and its effects on the future generation of Hong Kong. The resulf of the survey will be kept confidential and will solely by used for the analysis of this IES project.