Revert "article"

This reverts commit b1c2cdd1f32acaec7dbda9629cc68c6227bc9474.
Revert "article"

This reverts commit d3e3187a03fd1f46e9e72c9ee8e6e265a2bf2107.
Revert "article url"

This reverts commit df501575d6bafae7bcca1a7cb1dd405b074bca72.