You need to write a blog post on the topic of "Real time Big Data" aka big data streams. You blog post should include at least 1500 words and you may add images, sample code snippets to make your post more interesting. Given below are some places that will help you to get a good start.

https://storm.apache.org

https://spark.apache.org

http://incubator.apache.org/s4

http://akka.io/docs

PS: Use your own words. Plagiarism is strongly discouraged.