Facebook has stopped allowing its users to mention the name of another social network on its apps and website. The social networking site will no longer allow its users to mention a site called, Tsu.co,
an invite-only social network that is premised on the idea of sharing ad revenue with its users. Unfortunately, the site became a huge source of spam on Facebook so the company has blocked its users from mentioning the URL. yping Tsu.co,
anywhere in Facebook, Instagram or Facebook Messenger results in various error messages that let you know your comment won't be posted.