There is an important space to explore here. Right now my contacts are either trapped in my phone or centralized/monetized by SV. The idea of a bottom-up, democratized sharing of relationships is worth rapid prototyping and exploration -- good start!
Nursing, for aged care and home care, is the perfect storm, dynamic mobile teams with a fair amount of staff turnover.
I was also partially inspired by "The Social Dilemma" to take a look at ways to help break away from social media lock in.
I have been building web apps in the aged care sector for a number of years, primarily for home care and other mobile workforce applications.
Yes (sry) you have to create and account and login... for those about to comment, login=skip, it is still the easiest way to build a web app.