array
  0 => string 'facebook' (length=8)
array
  0 => string 'facebook' (length=8)
  1 => string 'myspace' (length=7)
  2 => string 'twitter' (length=7)
  3 => string 'google' (length=6)
  4 => string 'blogger' (length=7)
  5 => string 'buzz' (length=4)
  6 => string 'ask' (length=3)
  7 => string 'delicious' (length=9)
  8 => string 'digg' (length=4)
  9 => string 'live' (length=4)
array
  empty