The main challenge of measuring ROI is keeping up with changes in algorithms, implementing the new tools that reach the marketplace and proving to your customers that they're getting the most extinct of their investment in you. Here are five steps for your ROI measurement strategy: - • Set Social Media Goals - ROI can be measured in a variety of ways: through customer acquisition, lead generation, clicks, revenue, contest entries, etc. It all depends on your goals. To know more, please read the article by Graham Gullans: http://www.adageindia.in/digital/digitalnext/five-steps-to-measuring-your-social-media-roi/articleshow/52016847.cms