I've seen a lot of social media tools and aggregators. A good number of them are designed very well, and could be great tools, provided a swarm of early adopters, and then later, late adopters, showed up. Some of them trumpet just how many different services are supported, and use that as a rallying cry for why one site should be ditched for another. But it's the wrong approach. For while they may have been working on making fancier widgets and supporting yet another niche service, others have been building a foundation for community, making them the clear winners.