I'm one of those old farts at the leading edge of the Baby Boomers (b. 1945) who knows a little about a lot but not a whole lot about anything in particular.
My approach to Wikipedia is three track:
I try to fill holes by initiating articles dealing things with about which I know a little or where I think doing the research would be interesting to me.
I read articles by others and, where I feel they've left significant questions unanswered, I research the answer and add the information to the article. This includes adding links to articles by others in Wikipedia.
I fix glaring spelin and gramer faux pas when efer I spot them n hav the time. Ths dn't mean to say I don't make them mice elf. I do. I only hope some1 else katches em whn eye dn't.
I'm currently a self-employedconsultant. I produce a daily newsletter, distributed via e-mail, for a company involved in the document imaging industry. The e-publication has a global readership of several thousand people with circulation in the USA, Canada, Europe, Japan, Hong Kong, Australia as well as in Latin America. The newsletter tracks the activities of various companies involved in the office machine, document management and imaging industries through press releases and news items. Its circulation is primarily throughout corporate management and executive levels worldwide.
I have taught the basics of several software packages for seven years (one week a month) in a corporate environment mostly because I got sick and tired of those "productivity tools" on which corporations spend billions being the single largest impedement to anyone getting anything done around the office.
Management oversite of corporate trade show participation including logistics, setup, staffing, staff supervision and tear down as well as spokes person(s) selection.
Project manager and acted as the interface between end-users and IT programmers, systems analysts and designers for customer relationship management (CRM) and transactional systems development and implementations in a $15 billion multi-national corporate environment.
Development of presentations directed at such diverse audiences as:
Wall Street market analysits
Dealer networks
Product end-users/consumers
and as general internal corporate communications tools