" Facebook is a website for creating and maintaining social networking sites..." is how it is written in Wikipedia.
What was originally developed by Mark Zuckerberg for students at Harvard is now one of the largest platforms in the world. More than 400 million active users, of which 1.4 million are registered in Switzerland alone, and it has recently expanded to include another page.
Wohnreich is there!
Inform about news, invite friends, exchange ideas.