Sales people overpromise and under deliver, all in the name of making their quota for the month.

FORBES: Success Will Come and Go, But Integrity is Forever

The technology generated a lot of excitement early on, in part because E Ink's founders had a tendency to overpromise.

FORBES: Magazine Article

Ironically, the overpromise in the promotion of prostate cancer screening has prolonged the uncertainties and slowed our progress in prostate cancer medicine by dissuading men from entering studies to improve screening.

CNN: Screening for prostate cancer? Patients should decide