Just curious how it works for you in the real world. Which 'berry? Which plan? nuisance factors? etc

If you haven't seen it, this works somewhat like a data dongle
https://www.tetherberry.com/

afterthought- given the rapid convergence of video, texting, and notebook use, am wondering if a smartphone/netbook subsection wouldn't be useful here (everyone on the phone boards I looked at seem to be kids in college.)