Forum Moderators: buckworks
I have a client who saw the same thing last spring. Also, I've read this in several other places. Listing a street address (not a PO Box) where you can receive mail has also had a strong effect for some -- probably the increased feeling of security again.
This kind of service can be tailor-made to the beginning web enterprise. They are also perfect for the temporary surges in traffic that come from a good PR mention or other similar events.