This is part of the community that is HubPages.
When a new hub is published, it can be awhile before the SEOs pick it up. Hopping Hubs randomly puts you into the midst of new hubs that have been published. Then, as usual, you read the hub, give it a thumbs up or down, can leave a comment, follow the author if they are to your tastes and move on. You can access the interface from the 'my account' page.
I like hopping hubs. I've found new authors that I probably wouldn't have seen before, found some really interesting info and, on a few occasions, have had to flag the hub for inappropriate content. It helps sharpen your editing skills for your own hubs when you see what other people have written.