The linked blog article is excellent except for the last part where it talks about how to get involved.

Politics (the power vacuum that rewards the elite) are not beaten with more politics.

The single most important action you must do is choose the correct design for your crypto-currency, as I explained at the following short post:

https://bitcointalk.org/index.php?topic=518453.msg5749208#msg5749208

All the promotion and hoopla is meaningless if your design is broken in a way that will give it all back to the power vacuum. And Bitcoin is so broken.