Facebook is deprecating the Graph API Explorer App as of today, and the Profile Expressions Kit will deprecate on October 1. The latter is due to low adoption, Facebook said.

But there are some hints in Facebook’s Graph API code that could indicate otherwise. Lines of code referring to “rssfeeds” have recently started to appear in Facebook’s Graph API code.

Finally, Facebook is allowing developers to run test queries through the Graph API Explorer App using their own access tokens.

However, when he tried to run the code through Facebook's Graph API Explorer, the results came up as limited to only to whitelisted addresses, meaning that it's code that Facebook doesn't want ...