Lots of people have reasonable concerns about platforms like Facebook which not only provide an avenue for free expression — but which also have the power to suddenly decide it won‘t allow certain forms of expression. Admittedly, there‘s always a line to be drawn somewhere. People are happy that Facebook tries to keep out spam and scams, but it‘s still worrying when it seems to want to filter out perfectly legitimate news stories. On Sunday, Nadim Kobeissi tweeted that Facebook wouldn‘t allow the sharing of a BBC article on the latest political polling in France.