If you’d like to see what public archaeologists talk about when they all get together for a meeting, Lorna Richardson (whom you should all be following on Twitter, if that’s where you go for your social media, or at least bookmark her blog) collected the relevant tweets together via Storify. Scroll through them for key literature, links, and ideas.
Digital Archaeology parts 1 & 2
Social Networks Analysis and the Letters of Libanius
The Pillars of the Pantheaon