alt Hacker NewsCompete with facebook in an area you can actually win. Don't try to be all of a mobile messenger, news feed, telephony platform, marketplace, forum, async messaging... just do one of those things well for a group of users (potentially around a focus.)
Piggy back off of an existing community that has already built trust -- for instance, build a forum for a local activity that often attracts 10+ years of participation and involves equipment. Your board will become the best place for users (who already trust one another) to swap used gear, discuss local venue closures, etc. Adopt moderation metrics that sustain your community (don't let bullies and spammers spoil everyone's experience.)
In 10 years, you can completely replace larger platforms as the community of choice.
>In 10 years, you can completely replace larger platforms as the community of choice.
And by then you have to worry about money to upkeep the platform. You sell off or sell out your users, and the cycle repeats. Even for the most well meaning people, it comes down to the fact that scaling such communication isn't free.
We hear all these stories of eccentric billionaires going all out on their hobbies. Why do we have no eccentric FOSS people who donate to keep such stuff FOSS?