Find your voice
Marketing (in all its forms) is unlike everything else an organization does, because it's always different. There's no manual because everyone does it differently, and what successful marketers have in common is that they are successful.
The only way your organization is going to make an impact is to market in the way only you can. Not by following some expert's rules or following the herd, but by doing it in the way that works. For you. Don't worry about someone else's invented standards for new media, invent your own. Avoid obvious mistakes, don't follow obvious successes.
Find your voice, don't copy someone else's.