David Matthews examines the approach of ResearchGate, Academia.edu and Mendeley to profit, user data and open access publishing.

Reviewing allows us to put collective knowledge ahead of individualised contributions, says David Beer.

I recently read Benoît Peeters’ fantastic biography of Jacques Derrida. Looking back upon the working practices of Derrida and his contemporaries, one thing is particularly striking: the prominent role of the book review.