twitterjoin.rb

#!/usr/bin/env ruby

require 'open-uri'

days = []
(1..15).each do |pg|
  query = 'days+ago+whendidyoujointwitter'
  s = open("http://search.twitter.com/search.json?q=#{query}&rpp=100&page=#{pg}")
  days << s.read.scan(/(\d+) days ago/).flatten.map { |st| st.to_i }
end

puts days.flatten.sort