Daily conspiracy

[Paleophyte]

the conference is billed as the world’s largest gathering of leading UFO researchers and experts in history.

Both of them.

There will be over 50 lectures, several workshops, and appearances by renowned guest speakers

For reference, a small professional organization will typically run 3-5 sessions concurrently for 2-3 days during their AGM with 6 - 10 speakers in the morning and afternoon of each day. A large professional organization would blow through 50 lecturers before coffee break.