With UpDown, you can check how people respond to the page you are browsing. You can also leave your own comment and share your thought to the user visiting the page.
If you post a like to a user, the user got +1 socre(and like). More scores you get, better reputation you get in the UpDown world.
By tapping hashtags in list pages, you can know related pages, which has the tapped hashtag. Higher score page comes first