Has your sales floor replaced the hum of the phone for the hum of keyboard clicks? In a recent GSA Business Development blog, the U.K.-based author laments, "I often hear statements such as ‘We should never call on a Friday afternoon' or … ‘August is a bad time since people are away.' If I had a pound for every time I've heard those comments over the past 17 years, I probably wouldn't need to run my business. I could retire on these earnings."