Maximizing ROI has become the ultimate goal for Marketers. Increasing visibility, likes, followers and tweets seems to be the major indicators. Daniel Newman, author of The Millennial CEO and a Forbes contributor, in an article in Forbes term these indicators as vanity metrics which distract marketers from the actual story. Rather than measuring likes, focus should be on how many of the likes were converted into new customer and other measures which go beyond customer acquisition and sales that will help discern their real growth story. 

He lists out 7 things that marketers should measure: 

• Top of funnel conversions

• Engagement

• Customer satisfaction

• Customer Retention 

• Employee satisfaction 

• Employee retention 

• Attributable Revenue

For more on this, follow the link http://www.forbes.com/sites/danielnewman/2015/05/12/7-things-marketers-should-measure-big-data-can-help/

According to a survey, for hiring a customer service worker, an employer approximately spend $8800 on hiring and training and 70% of customer service worker leave a job within 1year. Some steps for employee retention are: • Provide training to workers and motivate them.
• Evaluate the performance of the employees and give feedback.
• Implement the customer service training software.
• Give employee work from home choice, this will reduce cost per employee up to $2000.
Read more at: http://www.entrepreneur.com/article/245524