The correct answer is D. all of the mentioned.
A newsreader is a computer program that aggregates news articles from various sources and presents them in a single interface. Google Reader, Bloglines, and Newsgator Online are all examples of newsreaders.
Google Reader was a popular newsreader that was discontinued in 2013. Bloglines was another popular newsreader that was acquired by Google in 2005 and discontinued in 2013. Newsgator Online is a web-based newsreader that is still in operation.
Newsreaders can be a convenient way to stay up-to-date on the latest news. They can also be used to follow specific topics or to find new sources of information.