There are many electronic parts shops, and many engineers come to ask for parts.
You can get some parts like IC, cable, LED, etc.
Akihabara has many Ramen shop too.
Check "Yaro ramen"!
Your stomach will explode!
A lot of people come to the shrine for Hatsumoude.
Hatsumoude is japanese new year culture.
Because Meiji Shrine is near Harajuku station, you can experience the culture of youth of Japan and traditional culture at the same time.