If they scroll all the way to the bottom then have a bottom bar that appears.
> Schwartz’s data shows that readers can’t stay focused. The more I type, the more of you tune out. And it’s not just me. It’s not just Slate. It’s everywhere online. When people land on a story, they very rarely make it all the way down the page. A lot of people don’t even make it halfway. Even more dispiriting is the relationship between scrolling and sharing. Schwartz’s data suggest that lots of people are tweeting out links to articles they haven’t fully read. If you see someone recommending a story online, you shouldn’t assume that he has read the thing he’s sharing.