Inserts are those junk ads that always fall out everywhere when you pick a magazine up, right? How about Editorial, since posts/microblogs tend heavily towards being longish personal commentary?
Although Ernest said a few days ago he was thinking of changing the terminology. I don't remember if he said to what, just that he should. Kinda mixed about that. It makes talking about them more confusing both for cross-platform and for new users, but I got used to it now and I fear change