To what extent should we expect publishers who profess a commitment to Open Access to be open in other ways too? This is a question often raised in discussions about OA. Some, for instance, argue that OA ought to go hand-in-hand with open peer review (particularly in light of the recent “sting” of OA journals by Science). Others have argued that OA publishers have a duty to be more open in the management of their business. And it has been suggested that OA publishers should be more transparent about their finances. But what about when publishers make use of social media like blogs? How transparent should they be about who is behind the site, and what their objective is? This thought occurred to me recently when I was trying to find out who runs the Open Science blog.