On: ASK HN: Easy ways for a web developer to make onli...

[WalterGR]

Now it's much, much harder due to Facebook cracking down so hard on virals, but it can still be done.

Bummer. I've got a viral Facebook app in the pipeline.

Is this what you're referencing?

"On September 21, 2010 Facebook took games off the news feed, limiting viral channels to discovery stories and invites." http://www.mediabistro.com/fishbowlny/game-building-on-a-bud... ("Distributing on Facebook" section)

"Facebook is cracking down on free promotion | kills profile boxes" http://rooturaj.com/social-media/facebook-is-cracking-down-o...

Is there more to it?

[carbocation → WalterGR]

There's also the rule against creating direct incentive for invites, which seems to strike at the heart of many viral mechanics.