Final answer:
Social networks exist everywhere because people use them to compare themselves to others, give and receive emotional support, and challenge their beliefs and prejudices.
Step-by-step explanation:
Social networks exist everywhere because people:
- Use them to compare themselves to others, providing a way for social interaction and self-evaluation.
- Give and receive emotional support through interactions with other members.
- Have the opportunity to challenge their beliefs and prejudices by exposing themselves to diverse perspectives.
Social networks play a crucial role in modern society, impacting various aspects of our lives, including sociology, politics, and even job opportunities.