it’s basically just a blog for sims, where you post screencaps. most people tend to make up stories with it, specially if their doing legacies or challenges. a lot of people get really creative with it.
"On August 28th 2011 Hurricane Irene made landfall over New York’s Coney Island with winds at 65 mph. It hit New York City at 9 a.m. ET bringing with it a storm surge that sent 3½ feet of water into New York Harbor. Although downgraded to a tropical storm, it still flooded low-lying areas and left millions of homes without power all along the Eastern Seaboard."