To save people from looking, it has been changed to; --- To operate servers for commercial purposes. However, personal, non-commercial use of servers that complies with this AUP is acceptable, including using virtual private networks (VPN) to access services in your home and using hardware or applications that include server capabilities for uses like multi-player gaming, video-conferencing, and home security. ---
They specifically left email off of that list. The question is: can I host servers that may compete with the commercial offerings of Google? Can I host my personal blog? Can I host my personal email server?
Decentralized content sharing could remove those obstacles, and a high bandwidth network could facilitate the adoption of P2P services.