What conclusion does the author reach about selfies based on the evidence provided in the review?
a) Selfies are solely detrimental to self-esteem.
b) Selfies have both positive and negative impacts on individuals.
c) Selfies are a narcissistic expression with no redeeming qualities.
d) Selfies are exclusively beneficial for mental health.
Answer: b) Selfies have both positive and negative impacts on individuals.
