What do you do with the uploaded sketch files afterwards?

Wait wut?

Recreate a design you've already done before. So you can focus on your new tool (Sketch) instead of making design decisions. And after +/-2 days you'll be rocking your new Sketch skills :)

wow...it's a forum

Pictures for sure. Illustrations don't empathize enough i'd say. Pro: you actually tie a face to your persona.

Is there a reason why you can't use photos?

Running out of goodwill? Fulltime sketch user here, I still have tons of goodwill left. Love working with it

Is there a way to remove your loader from the error page? Seems unnecessary.

Nice, I really like this one: http://realfavicongenerator.net/

Wow, that's really to much visual data for my taste