It worth it for me. I now easily manage all my contacts at the same time instead of having multiple copies (iPhone, Mac, cloud, back home). Sure, it's not 100% great, but it provides what I need, ad I have grown dependent on it now.
As for sharing, it's a great and secure platform. Only those you know have access to it (unless you make it public).
As for sharing, it's a great and secure platform. Only those you know have access to it (unless you make it public).