[tatva]

Reddit(whatever niche your saas is in) Twitter(if productivity tweet to popular productivity creators) If you have a blog. That can be very useful And Show HN.

Sorry if it seems naive I'm only 19 and thought of this.

[zhangruinan]

I have tried both. Reddit has rather strict rules on self-promotion. I wrote my vision on medium, here it is: https://medium.superus.space/my-ideal-solution-to-informatio...