Sales is Persuasion. At its core. On the ISP-DSL.com listserv, everyone jumped on Billy White for using the list to market his refurbished DSL modems. Now while his approach may be not everyone's favorite, he was doing what salespeople should do: approach qualified prospects.
On every ISP list, salespeople are labeled and treated like a quote machine. Turn that around: is that how you want your sales team treated? Oh, wait, you probably don't have a sales team or you have such a sales superstar that she would never make a blunder when approaching a prospect.
Seth Godin has a post called How do I Persuade you? I took it as an examination of how much even the sales process has changed recently. Everyone is so busy. No one wants to talk to salespeople. How do you sell stuff then? Take a look and let me know your thoughts.