أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
A. Low cost per contact
B. Non-paid form of promotion
C. The sponsor or advertiser is not identified
D. Immediate feedback and capability to close sales
E. Makes use of non-traditional media
I think it is Immediate feedback and capability to close sales