Salesforce.com with their Dreamforce Conference, Apple and the Worldwide Developers Conference, Berkshire-Hathaway’s annual general meeting, and even Budweisers’ Bud Camp have all achieved rock-star status in creating branding and marketing opportunities out of events designed to interact with their supporters face-to-face.
You have to articulate what each medium is supposed to do, and for whom it is supposed to do it
Don't ignore your audience, and don't heavily rely on technology
Social networking is a tactic and a strategy, and you need to know the difference
Don't get unduly focused on the CPMs of your plan