Tweetoshi is a Twitter client that allows tipping and earning satoshis from engagement, much like Stacker News.
Tweetoshi
PROS:
Twitter network effect
Advanced integrated UI
CONS:
UI a downgrade from Twitter
Minimal monetary opportunity
Undesirable characters
Stacker News
PROS:
Good monetary opportunity
Majority of users are bitcoin maxis
CONS:
Rudimentary UI
Winner IMO: Stacker News
I value satoshis and maxis over UI, so Stacker News wins hands down for me.