Assorted (off-topic) Links

1. Real Life Spambot 
   
   
2. Completion rates for MOOCs are really low. Still it shouldn't be ignored by top universities
   
   
3. Sax battle in NYC subway (via Chris Blattman)
   
   
4. Six Rules For Writing Clearly, by George Orwell
   
   
5. 10 most commonly searched terms on porn sites by country 
   
   
6. The ultimate recognition of merits in a scientific career (via Pedro Souza)