2018-07-20 UTC
# microformats is a broken fork of the "RDF in HTML" initiative. RDFa emerged as it fit the Web architecture/goals, and became part of the family of W3C Recommendations. Given mf1's limitations, mf2 tried to mimic RDFa; ended up not being backwards compatible with mf1. ( twitter.com/_/status/1020238366699413504)