One of the biggest benefits of IoT and connected devices is continuous data acquisition since by analyzing this data companies can predict equipment failures, identify bottlenecks or overstaffing and many other useful informations. However, there are more than 8 billion IoT devices around the world generating huge amounts of data so apart from problems with data acquisition, storage and analysis, one of the issues to be addressed is how to effectively interpret and present this data. In the following article, there is a brief but good explanation how to come from raw data to actionable insights, how to extract value from IoT data and there are some examples of IoT data visualization tools with explanation how it impacts the business bottom line.