Evernote has come up with a great idea-sharing model. It combines paper and Evernote's online data storage site.
Some things you want to share. Some things you don't.
For an explanation, read this (http://www.fastcompany.com/3029288/most-innovative-companies-2014/evernote-and-moleskine-team-up-to-create-smart-business-noteb#3
If the reminder box on the top-right corner of the page is checked, the note will automatically show up at the top of the reminders section in the app.
It costs $33. That seems reasonable for business teams.
This could be used by special-interest groups of all kinds: academic, political, religious, etc.