Great idea. It's high time that social networks build an alternate "serious" revenue stream than the ad-focussed user-data-harvesting one. This might also lead

Great idea. It's high time that social networks build an alternate "serious" revenue stream than the ad-focussed user-data-harvesting one. This might also lead to Twitter being more open like developer APIs with ecosystem of apps built on top (like mobile app stores). There would be less reasons to keep the gardens locked and walled when revenues are not tied to ad impressions and eyeballs.