For a complex product, no amount of marketing copy will convince someone to buy.
But one free sample can get an entire office talking about how great it is.
For example: Headsets.com sent me a sample of this amazing wireless OfficeRunner headset. It has an incredible range, so I was wandering all over the office, the lobby, and the parking lot chatting with people.
And everyone asked me what was going on, everyone was talking about the headset.
Today we ordered a dozen more.
How can you get your product in the hands of the people who will spark conversation?