1) The document discusses how Twitter can be used for open, networked scholarship through many-to-many communication and building communities of practice, but that challenges exist due to its oral nature and collapsed contexts.
2) It recommends navigating Twitter in a way that contributes to scholarship and humanity by building an identity within interest areas, sharing work and crediting others, being patient and friendly in conversations, and believing in the value of contributions.
3) The key is remembering principles like being honest, doing "shoulder checks" of context, not expecting a soapbox, not confusing free speech with privilege, and inhabiting both academic and networked worlds simultaneously.