The perception gap IT companies might have different interpretation on the effectiveness of SMM from customers. They normally interested in knowing the ROI and reputation of SMM but this is not the issue customers concerned. Baird and Parasnis (2011) have discovered a gap between customers and IT companies (IBM) on construing social media. It is related to the combination of SMM and the customer relationship management (CRM) of these companies. The gap describes that customers wanted more actual