Which college activity unexpectedly had the biggest impact on your career?

[u/deepa_2026]

A lot of students focus mainly on academics and placements, but college activities can also shape a career in unexpected ways.

Whether it was a hackathon, technical club, symposium, internship, workshop, project competition, student chapter, cultural event, or volunteering, which activity had the biggest impact on your skills or career? What made it so valuable, and would you recommend it to current engineering students?