Many of the big changes of the next 25 years will come from unknowns working in their bedrooms and garages...
You can go online now and find really thoughtful, in-depth, considered, well-informed communities around virtually any issue. If it's your issue, there are now new ways of mobilising knowledge that weren't there before. There are real bodies of significant knowledge on the web that are valuable that we haven't done nearly enough with.
You are what you share.