Comment on Will Article Promotion Companies Make Article-Level Metrics Obsolete ? by Galuh Sarasvati

Dear Mr Beall,
I agree with you, why should we pay if there are systems such as Reserach Gate and Academia Edu, where we do not have to pay. More over, those system allow communication between scientist, where we can ask for suggestions, when we got difficulties in our research.
(Jeanne Adiwinata Pawitan)