This is based on a Ted Talk.
https://www.ted.com/talks/nicholas_christakis_the_hidden_influence_of_social_networks/transcript?language=en
Christakis' talk at 11:43 of the video and base your response on Christakis' observation of ‘variation of position' of individuals in a network when you aim to influence the larger population. Which social sub-group point(s) do you want to initially influence and why do you select this/these point(s)?