How many percentage of your Facebook friends/fans can be reach?

In the SESOMO, when Mr. Tuấn Hà asked how many people of 1000-fan/friend can be reach when a new post was released on your status. My answer was 10% of the total fan base while he said it could be upto 30%. This is so much too high from what I have known back in May 2011. Then I wonder if he also included promoted … Continue reading How many percentage of your Facebook friends/fans can be reach?