Minimize options Update this feed every

Comments on xv6's sites Comments and replies xv6's friends make on sites Comments and replies xv6's friends make on news posts Comment votes xv6's friends make Sites xv6's friends view Sites xv6's friends vote on Sites xv6's friends create or edit Favorites xv6's friends add Profiles xv6's friends view Frienemies xv6's friends add Searches from xv6's friends Sponsorships by xv6's friends