I think there are a few classes of presentations where good slides can still convey 80% of the content of the presentation. They tend to be meaty technical one

I think there are a few classes of presentations where good slides can still convey 80% of the content of the presentation. They tend to be meaty technical ones, which is the kind of thing lanyrd would likely be heavy on with all of the tech events they have. Presentations with lots of live coding are likely not worthwhile.