BIM Aficionado posted a while back about using Generic Annotations and Note Blocks as a workaround for genuine Keynoting. I have posted about similar things before, although I am more proud of my Keynote Legend workflow.
In any case, he provides a full guide along with example files at this link:
https://docs.google.com/folder/d/0B_caWTSMFC8cZC1TSXRoUTdRVjItTWVsSGpXdGdPQQ/edit
Pretty interesting method, with the Excel CSV / Family Types too.
Read more / via:
BIM Aficionado: Generic Annotation Keynotes