We just recently published the 300th CodePen Spark. Marie joins me on the show, as she leads up the creation of the vast majority of Spark newsletters. We get into things like why we do it, how we create it, how we send it, and things we've learned along the way sending a newsletter of this magnitude. We have some interesting failsafe procedures in place. Plus we get into some of the analytic numbers behind what we're doing. Here's to another upcoming many hundred more!

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• Riccardo Zanutta’s “Animations & Cool Effects”: https://codepen.io/collection/XgZLNA (started in 2014!)
• AndyMan’s “Patterns, filled space”: https://codepen.io/collection/XBLxoe
• Eric Karkovack’s “ASCII Artwork”: https://codepen.io/collection/MgaYzZ
• Jhey Tompkins’ “Speedy CSS Tips”: https://codepen.io/collection/bNWWdO
• Peter Norton’s “3D CSS”: https://codepen.io/collection/GoZQxG
• Bramus’ “Scroll Linked Animations”: https://codepen.io/collection/xKzjpo