Jonan introduces himself as being from Portland and going by the name Webmaster. He also works for New Relic and identifies as one of the Ruby Monsters community. The document contains various humorous explanations of Ruby programming concepts like blocks, procs, lambdas, closures and more. It concludes by reintroducing Jonan and exclaiming "the end :)"

2. I’m Jonan
also @1337807

3. I’m from Portland

4. They call me
Webmaster

5. Also New Relic

6. One of us
bit.ly/nerdlife

7. Ruby Monsters!

8. Oddities

9. Ruby is adorable

11. begin; end
A neutral, hypoallergenic code wrapper
made of opinions.

25. do while

30. ensure
When you absolutely, probably, maybe
need it done approximately right.

36. Thread#raise

37. “I don’t use
Thread#raise.”

40. Net/HTTP

41. flip-flop
When only the occasional truth will do.

50. (expr1)..(expr2)
inclusive, evaluates both expressions
on each pass
(expr1)…(expr2)
exclusive, evaluates one expression per
iteration

51. scope
Like voting districts for your code, with
more gerrymandering.

60. closures
They’re exactly like that one thing from
that one language except sometimes
when they’re not.

62. portable code pods
bits of code that travel a lot, but never
forget their roots.

64. blocks

66. Integer#times

73. procs

79. lambdas

88. blocks and procs
- arbitrary arguments!
- return home
lambdas
- strict arguments!
- local return

99. goto!

103. I’m Jonan
also @1337807

104. I’m from Portland

105. They call me
Webmaster

106. I work for New Relic

107. One of us
bit.ly/nerdlife

108. Ruby Monsters!

109. !
the end :)