What can be more interesting than making systems of data processing pipelines? Let's deal with these numerous tweets right now, using popular technologies — Apache Kafka, Kafka Connect and KSQL! We all know and love SQL, right? Well, KSQL is almost like SQL, only it's Kafka. KSQL allows creating complex systems of thread-specific data processing, without writing Java or Scala (sick!) code! But the most interesting part is when, by using KSQL, we'll process Twitter news feed in real time and find out, who tweets most of all during the conference!