July 21, 2017
The key word in the question at hand is "more." Do you want to learn more about it? Don't go in blind. Bring a basic understanding of the technology with you.
You're strengthening a lot of areas here:
Communication - Figuring out what the real problem is and what solution is actually needed.
Problem Solving - Diving into the technical details to produce results.
Credibility - Community reputation and technical prowess.
Professionalism - Handling criticism or errors in a public forum.
Self Promotion - Visibly helping others.
Find something easy and give it a shot. If you get somewhere with it, add your Stack Overflow profile to your resume and LinkedIn.