 Internet properties established in the 21st century

The 21st century has seen the establishment of numerous internet properties that have significantly shaped the way we communicate, consume content, and interact online. Here are some notable examples: 1. **Social Media Platforms**: - **Facebook** (2004): A social networking site that allows users to connect, share, and communicate. - **Twitter** (2006): A microblogging platform that enables users to share short messages (tweets).