Tweet from Fri Mar 29 00:41:50 +0000 2013 March 29, 2013 - One minute read - 10 words Once, on Twitter I wrote: I signed up for Introduction to Logic on @Coursera! #intrologic tweet Next: Tweet from Fri Mar 29 14:57:54 +0000 2013 Previous: Mobile Upload: You meet the strangest people on BART
