I was curious about what happend if you press Random in the title bar. I did it 5 times, all I got was posts buy some user called Guest.

Pd: 
Q: Wanna smile ??? 
A: Yes! 

Then Joke #3 - https://bitbin.it/KjQcn2fY/

Q: Want more smiling ??? 
A: Yes!

So, Joke #4 - https://bitbin.it/QeDNEtW4/