Dear Jack,

              Just a quick congratulatory note to let you know how proud I am of ZipTech's recent success. I know it was the result of lots of hard work. You should be proud of yourself and your staff.

              I knew when you left last year that great things were in store for you, though I must admit I didn't know they'd come this quickly. Wow! Sales of $2 million and BizTimes' "Best New Business of the Year" award?! That was more than any of us here could have imagined.

              I remember …