Sources   Sources need to specifically discuss the subject When you use books you need to include the page numbers Exactly what does Charu C Aggarwal  Social Network Data Analytics say about social network poisoning What exactly does it say about considerable impact in terms of knowledge and correlation of data I need page numbers and quotes Please note that you cant interpret a source  you may need to read WPNOR and WPVERIFY You probably arent used to policies and guidelines here And you need to read WPAGF as your edit summary looks insulting