Elsewhere I referred to a paper on affordances that was in the process of submission.

That did not work out, for a number of complicated reasons, and it is clearly going to be some time before I get the time to redraft the paper for publication, so here is draft 10, on The Ecological Turn: Affordances for Learning Research

And ...

A small addition to the following paragraph:

Following Barthes (‘every use becomes a sign of itself’) and Wittgenstein (‘meaning is use’) we can perhaps resolve the issue by saying that all affordances are either already ‘social’, in the sense of being already “transformed by the activity of generations” or they become socialised: ‘new’ or ‘innovative’ affordances become socialised by their use.On the other hand, established affordances and the objects associated with them, may become re-socialised into different affordances, or even de-socialised (in an homologous sense to Deacon’s de-volution (2003).Affordances are then just like any other elements of social capital (words, gestures, discourses, languages, cultures): dynamic, subject to challenge, change, innovation and dissipation.
i.e. .....
To take it one step further, affordances might better be described as equity, i.e. as potential sources of, or routes to, social and professional capital.