In the age of Fast Data, being able to make decisions on a per-event basis is just as important as being able to handle the high ingestion rate. An example that demonstrates this concept well is clickstream processing.
Clickstreams record users’ activities on the web as they navigate through web pages. Events are either page requests to servers or browser events recorded on users’ computers. Clickstream analysis provides insights into users’ behaviors and preferences. The information is useful to applications for online advertising, social networks, security monitoring, marketing, etc.