I recently used Whisk to give web component training, and it was an incredible success! The ability to quickly edit something and see the change immediately reflected in the UI allowed me to demonstrate concepts crisply and cleanly, as people could see cause and effect right before their eyes.
I know it was well received, because I noticed that some of the students bought whisk — even though I never specifically mentioned what the app was. They just saw it and tracked it down themselves! Now that's software that sells itself...
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