Answer:
Online activities are increasingly used to make real-world decisions.
Explanation:
People use increasingly <em>world wide web</em>. They create profiles and communicate with others on social networks, share thoughts and moments of their life on online platforms.
These <em>online</em> activities become part of one's identity. Therefore these activities can give information about user's behaviors, attitudes, likes and dislikes.
All this data are being used to make real world decisions about a user or a group of users. For example, trough one's online check-ins, frequently used location of the users or can be determined. Similarly, trough social media likes or posts, one's hobbies can be predicted.
Therefore, social media and online presence in general, is not necessarily safe or private but important places which have valuable information of the users that can be used in real world.