It definitely makes sense to split the world up into multiple channels. That's what the guys who built http://wordsquared.com/ http://wordsquared.com/ did. As y

It definitely makes sense to split the world up into multiple channels. That's what the guys who built http://wordsquared.com/ http://wordsquared.com/ did. As you scroll you unsubscribe from channels that are out of view and subscribe to channels that are moving into view. You could think of it in a similar way to how Google Maps tiling works.