To my mind there is a conflict between points 2 and 5. It’s difficult to experiment on a range of approachs and still devote enough resources to give every experiment every chance of success. In my work I think we have made the mistake of experimenting with too many options and end up not investing enough time in each one.

Must admit that the term “Best Practice” worries me a little in this context of social media, but most of your readers will understand the possible pitfalls.

One thing you didn’t touch on was measuring the results. You mentioned “Have a clear purpose”. I think hand-in-hand with that should be the aspect of community. I have seen a wiki implementation that had a raging little community and very clear goals in one division but was considered a failure at the corporate level because they were using page hits to compare with Sharepoint use.

Another is guidelines for usage. This page is a good resource http://is.gd/5CWu

Well done. I believe the culture of many SMEs in Australia are ripe for this sort of technology. Messy, fluid, tribal. We need more articles like this one to convince business people that Enterprise 2.0 a real option with real benefits. Keep it up.