I'm actually thinking about a celebrity/gossip niche. It would be fun to just read articles and watch pictures/videos of a certain celebrity, without visiting m

I'm actually thinking about a celebrity/gossip niche. It would be fun to just read articles and watch pictures/videos of a certain celebrity, without visiting multiple websites. I just don't have a clue how an aggregator is build. Do I have to build a crawler or can I just use the RSS feeds of certain websites?