The realtime trend continues unabated, with presentations at TechCrunch50, Facebook's recent updates, and next-generation newspaper designs all extending the impact and value of the stream in social media. Disaggregation begets reaggregation, as demonstrated by the newcomer threadsy this week. As client applications and new services add organization and structure to activity, news, status, and twitter streams, we see hints of what is likely to come in the months ahead.I think there are two disti...