The Takeaway. Customer feedback is gold! Come up with internal processes to track complaints and go about fixing them. Also, do everything in your power to make it really easy for customers to give feedback and tell you about problems they are having.
Computing and logic. 1  Dutch national flag problem, a computer science related programming problem proposed by Edsger Dijkstra. 2  DNF (software), a package manager for RPM-based Linux distributions. 3  Disjunctive normal form, a standardization of a logical formula in boolean logic.
What is PNF. Proprioceptive Neuromuscular Facilitation or PNF is a type of flexibility therapy. It is based on the principles of functional human anatomy and neurophysiology, Proprioceptive Neuromuscular Facilitation uses proprioceptive input to improve muscle flexibility and strength.Proprioceptors are sensory nerve-ending in muscles, tendons, and joints.enefits of PNF. Proprioceptive Neuromuscular Facilitation helps to improve muscle strength, increase endurance and improve coordination. It also results in the correction of muscular imbalances which results in increased holding power and promotes relaxation.