This application will figure out your host ip and copy to clip board. It also uses the gotonow application so you can easily open it on mobile safari as described by: http://clubsexytime.com/projects/gotonow/

ip2cb.rb

#!/usr/bin/env ruby

require 'socket'
require 'net/http'

myip = Socket::getaddrinfo(Socket.gethostname,"echo",Socket::AF_INET)[0][3]

def pbcopy(input)
  str = input.to_s
  IO.popen('pbcopy', 'w') { |f| f << str }
  str
end

pbcopy( "http://#{myip}:8000" )

#http://gotonow.herokuapp.com/url
uri = URI('http://gotonow.herokuapp.com/url')
res = Net::HTTP.post_form(uri, 'url' => "http://#{myip}:8000", 'max' => '50')
puts res.body