Data-driven decision making is a process of         

It is a process of making decisions that are backed up with verifiable or hard data rather than making decisions based on observation only. In the past few years, it used to be a difficult process to collect, extract and analyze data. These days, however, the development of business intelligence software allows anyone without a heavy IT background to produce reports that will later need to be analyzed, thus accelerating the decision process.

cyberstalking on the internet means to harass or stalk someone, a group, or an organization. this may include defamation, slander, and false accusations. in many jurisdictions, cyberstalking is a criminal offense. 

on the other hand, cyberbullying focuses more on intimidating, threatening or harassing someone. harmful bullying include posting threats, rumors, and sexual remarks.