While it may seem that David Bowie is referring to Facebook when he sings, "Ch, ch, ch, ch, changes.." I'm pretty sure he had something else in mind. Still, the lyrics do include "Turn and face the strain," which may be how you're feeling each time you visit the site.
The good new is that you're not alone. I've been inundated with questions like, "How do I...?" and "Where do I find...?" The even better news is that you're now invited to join me online to answer some of your questions.