I think two things are shameful right now in social media:
1. Everyone is trying to define or limit Twitter- Twitter is for this or that or should be used in this way and not that. You should have this kind of following:follower ratio. Blah blah blah.
Here's a prime example of a statement that's clearly false: "Twitter is not a sales channel"
* Dell has sold $500,000 of hardware using Twitter (from discounts/specials), and * Other people are doing more modest things like selling t-shirts. Read the full article