Serious stuff... Snippets of research too "small" to be published, but valuable. Sometimes hypotheses and data -- open notebook science (in a later talk). Blog carnivals -- ad hoc popular journalism. One editor collects posts sent in by others, posts
S. Gollapalli, C. Caragea, P. Mitra, and C. Giles. Proceedings of the 22nd international conference on World Wide Web, page 471--482. International World Wide Web Conferences Steering Committee, (2013)