
Consider it as parallel processing
You can repeat the activity to learn (code something twice, accuiring experience with time) or you can have another person doing it in parallel to you, so you benefit from his/her mistakes.
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OK, George W. is deceptive to be sure. Dissembling, too. And let's not forget deceitful. He is lacking veracity and frankness, and void of sooth, though seemingly sincere in his proclivity for pretense. But he did not lie.
[link|http://www.jointhebushwhackers.com/not_a_liar.cfm|Brian Wimer]