If it doesn’t meet the spec, then no one is going to be happy.
Delivering on what was agreed is more favourable and the accepted norm.
What will it take to exceed expectations?
“The key is to set realistic customer expectations, and then not to just meet them, but to exceed them – preferably in unexpected and helpful ways.” – Richard Branson
Autobiographies by Richard Branson;
Losing My Virginity: How I Survived, Had Fun, and Made a Fortune Doing Business My Way
Finding My Virginity: The New Autobiography