I guess there would be a reasonable increase of Dialog and Mobitel telephone subscribers in Sri Lanka during next few months because of their allience with Facebook Mobile.
According to the current Alexa Ranking (Sri Lanka), Facebook is the fourth of the list (Google.lk, Yahoo.com, Google.com and then Facebook.com). Which means lot of people use it and eventually, lot of people find it efficient using the Facebook Mobile service. But, currently in Sri Lanka, this service is supported by Dialog and Mobitel only.
Even I am a subscriber of Tigo, now I’m also considering getting either Dialog or Mobitel.