Question Completion Status: QUESTION 21 All of the following are examples of unstructured data EXCEPT: audio files tweets (entries on Twitter) O digitized x rays Point-of-sale transaction data QUESTION 22 The practice by companies of using data to get to know their customers better and in more detail. This practice is called O Customer knowledge O Customer relationships O Customer intimacy Spying Customer profiling QUESTION 23 Click Save and Submit to save and submit. Cick Save All Anscere to save all aers