With the advent of the smart phone and tablet, I rejoiced. No more carrying around tattered notebooks. "There's an app for that"!
I tried multiple "list" apps. And many work quite well. I've been using the myShopi app for my grocery and other shopping lists for a couple of months and really like it.
For "to do lists" however, nothing beats my good old notebook and pen.
I'll share the system that works for me in a future post, as soon as I actually get something checked off a list, that is.