I'm having trouble figuring out which would be a bigger accomplishment -- 1 billion on Facebook's platform or Google's. I'd imagine the average Facebook user (v

I'm having trouble figuring out which would be a bigger accomplishment -- 1 billion on Facebook's platform or Google's. I'd imagine the average Facebook user (viewing/uploading photos and video, multimedia ads, pages with a zillion pieces of dynamic content, etc.) has heavier responses, but Google needs to do more legwork to put together the comparatively light response to a regular old web search.