Given a list of names, pick a winner at the terminal in a visually appealing way

pick_a_winner.rb

require 'curses'

include Curses

init_screen
curs_set(0)

users = %w{
  put twitter handles of people who enter here
}

def write_person(user)
  erase
  setpos(5, 5)
  addstr(user.center(16))
  refresh
end

30.times do
  write_person(users.sample)
  sleep 0.1
end

attron(A_REVERSE)
attron(A_BLINK)
write_person(users.sample)
attroff(A_REVERSE)
attroff(A_BLINK)
getch
close_screen

For a Twitter giveaway, say.