wcaleb’s Twitter Archive
—№ 4,291
⇤ Newest
Tweet
⇠ Newer
Tweet
Older
Tweet
⇢
RT
@
derekbruff
: The flipped approach, via
@
eric_mazur
:
yfrog.com/h4ooazlwj
#sketchnotes
On twitter.com
Retweet
2013 Apr 4