Quick comparison of YAML, JSON, and BSON. Results were.. inconclusive. O_o

gistfile1.rb

1.9.3> require 'bson'
  => true
1.9.3> require 'json'
  => true
1.9.3> require 'yaml'
  => true
1.9.3> h = {foo: 'bar'}
  => {:foo=>"bar"}
1.9.3> b = BSON.serialize h
  => foobar
1.9.3> b.inspect
  => "\x12\x00\x00\x00\x02foo\x00\x04\x00\x00\x00bar\x00\x00"
1.9.3> j = h.to_json
  => "{\"foo\":\"bar\"}"
1.9.3> y = h.to_yaml
  => "---\n:foo: bar\n"
1.9.3> j.length
  => 13
1.9.3> b.length
  => 18
1.9.3> y.length
  => 14