
Succes is not delivering a feature; Succes is learning how to solve the customers problem.
Eric Ries
juni
04
2012

Succes is not delivering a feature; Succes is learning how to solve the customers problem.
Eric Ries
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People don't want to buy a quarter-inch drill. Theodore Levitt
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E-learning Bij Bol.com | Managementboek | PDF (download) |