When I was a student I really struggled with the graph editor. I'd spent lots of time researching animation principles but applying them to dots and curvy lines blew my mind a little bit. Now 8 years later I don't know what I'd do without the graph editor and it's lovely curves.
I found this fantastic visualisation of slow in's and slow outs as applied in the curve editor and I fell in love with it.
I hope you like it too.
Head over to Spungella , a fantastic place to find lots of beautiful and new animation tid bits and where I found this simple yet mind blowingly easy explanation for slow in's and outs.