I remember the time I took 4 enterprise vice presidents from New Jersey to visit a software vendor in Silicon Valley. They had great (multi-million dollar) software and it was perfect for this customer.
Our first meeting was at 9 a.m., and there was no coffee! The Vice President of Sales actually found the coffee and filters and brewed the first pot himself in the vendor’s conference room. (Probably the first time he made coffee in 20 years.) Then he said, “Why should I trust them to handle my customer orders when they can’t even do the basics right?”
A subtle but very important point. When engineering people sell to business people, we have the extra burden of showing that we know how to conduct business at their level. The easiest way to get started is with precise attention to details. And faux pas destroy trust much quicker with web technology.