I think the real reason is that Twitter looks so simple, that everyone thinks they can do better. Deep down, most of us think we're in the top 20%. I've though

I think the real reason is that Twitter looks so simple, that everyone thinks they can do better. Deep down, most of us think we're in the top 20%. I've thought about how I would have made Twitter, but the truth is that the Twitter problem is probably not something that is easily fixed. The people at Twitter have had a lot of real world experience and have more data to base their development on.