I'm a firmly believe that when we cease to learn, we start to stagnate. I am no fan of stagnation, thank you very much, so I'm continually looking for new ideas and smarter/different/easier/faster ways of doing things. I think when I first started making stuff my learning looked something like this:
Now that my skillset has grown in many directions, I think the majority of my learning takes place in the more passive "I saw someone post this on Facebook" vein. For today's activity, take a moment to go out and find a tutorial on something totally new to you and then share it!
Here's a written doc on making foam clay from Odd Kelpie Armory
Or a video from Kirilee Cosplay on defying gravity in fabric costumes.