The SMW social media channels (twitter, facebook, youtube) could need some more love and strategy. This is something where non-developers can help out.
Join a discussion about what social media channels should be offered, how they should be managed. Help out to spread the word about SMW!
"LightningTalk" is not in the list (Talk, Technical talk, Lightning talk, Demo, Workshop, Hackathon, Tutorial, Keynote, Presentation, Regular talk, ...) of allowed values for the "Has talk type" property.