Adding • Affects • Audiences • Better • Businesses • Channels • Common • Consumers • Cost • Cpdetermines • Cpis • Customers • Definition • Differ • Directly • Discounts • Does • Expanding • Focusing • Generated • Impact • Include • Increasing • Influencing • Level • Lowering • Margin • Market • Measures • Metri • Number • Online • Period • Popularity • Price • Producing • Product • Production • Quality • Quantity • Range • Rates • Reduces • Refining • Roi • Sale • Significance • Used • While • Within