Question

people use ____ to develop a digital identity that reveals their personal philosophy.

a. internet etiquette
b. social media
c. usernames
d. online reputations

Explanation:

Social media platforms allow people to share thoughts, values, and personal philosophies, building a digital identity. Internet etiquette is about behavior, usernames are part - identity elements, and online reputations are results of actions, not the main tool for revealing personal philosophy.

Answer:

B. social media