the MEGATALK logo has a strong start and captures some of the youthful energy you described. Here are a few points on what works well and where it might be enhanced to better align with your vision:

Color Choice: The combination of orange and blue is effective in representing vibrancy and innovation, fitting for a youth-oriented social platform.

Font Style: The rounded, bold font gives a friendly and approachable vibe, which can appeal to younger users.

Symbolic Elements: The use of a toggle/switch element between "Mega" and "Talk" is interesting. It adds a modern touch, suggesting action or interactivity, which aligns with the social network’s aim for dynamic communication.