I've been inside the conference- I used to do due diligence and discovery for Google Ventures and they gave me a ticket one year. The "talks" were eminently forgettable ("we put this in X people and Y died") and the power meetings were... also fairly forgettable. A lot of it is just puffery, and a lot of the dealmakers have no real understanding of the area they are in (softbank seems to be the place where bad ideas…
Not much industry there though, unless it's changed in recent years. One of the more scientifically productive conferences because of the connections that people establish.
(Inside JPMorgan is so crowded and not so useful. I got a really really bad impression of 10X when I saw their debut at JPMorgan but that was an incorrect impression because they have done really well, mostly by not actually doing any of the products they touted at their presentation.).