Although it's hard to tell from the photos, there were about 80–90 people present in the room for Joohan's talk.
Joohan's research is an enhancement to the concept of a genealogical
Joohan implemented an Android app as a proof-of-concept of his ideas.
Here, Joohan summarizes the key points of his talk.
After his talk, Joohan stood by his poster and had lots of devices available for attendees to test-drive his app.