I mean, it is a one-liner, but only if you know what to do with that line -- linking to a URL in a message or putting a URL in the URL bar is the most complex one-liner you can reasonably require non-tech types to do, in my experience.
Technology that aims to serve that audience should be reasonably usable for that audience.
Point me at the self-hosted feature-equivalent Picasa clone that my grandmother can use- she still mourns the demise of Picasa- and I will set one up for her.
Technology that aims to serve that audience should be reasonably usable for that audience.