I think I now can relate to your problem, Clint -- I almost always use my laptop for accessing NGA, but we also have an Android tablet (a Lenovo Ideatab) that my husband mostly has custody of, and I decided to bookmark some videos from the Learning Library that describe building of a PVC greenhouse so he could watch them. That was a definite no-go for me... got totally kicked out of the site a couple of times, and, in between that happening, things were just taking a painful amount of time to do anything.
Clint, what sort of device are you using?
