http://xa63tpfoaqt3zru2ehxjjfbpadwj4ha6qsdvtcqtyr3b7hmt4iaq.b32.i2p/usecases.html
Both are important,
and for strong pseudonymity, both are necessary. "Some people in my community need to use high latency anonymity tools like
Mixminion and Mixmaster to participate, while others only require the protection
of low latency anonymity tools like I2P and Tor, and others require even less."