“read my blog about the subject” while linking to a single post on a blog about many things
@Lady (I haven't encountered it myself (besides your mentioning it right now) but oh gOD Same Twitch. That's a NOPE from me.)
@gaditb wiktionary lists both but unfortunately does not have a dated citation for the latter; the sense i've gotten is that it's used mainly by older people though
@gaditb (to be clear i don't see many younger people with blogs)
@Lady Back-derivation from "podcast", maybe?