Speaking of disruption - here's a powerful statement-

 First we invent our technologies, then we use our technologies to reinvent ourselves.

-Paul Saffo 

It has the ring of sci-fi to it, but is absolutely true for society. I would add that in most every case, these technologies change us in ways that we never expect or plan for.

One more powerful message: 

If newspapers are the first draft of history, then blogs are the scratch pads of history.... 

Interesting point about the use of social networking tools for abuse/misuse of influence.