This is great for short-term community building but it is not a substitute for high quality education that includes lots of homework.

FORBES: A New Kind of College Education

And I learned early on that no matter how much money you pour into the schools, nothing replaces the love and attention and occasional scoldings from a parent. (Applause.) I learned as a community organizer that no government program can substitute for the caring and passion of neighbors and communities.

WHITEHOUSE: The White House

Echoing the concerns, Prof Allyson Pollock, director of the Centre for International Public Health Policy, said alternative providers, such as NHS 24, community pharmacists and ambulance personnel, were not a substitute for doctors providing traditional GP care.

BBC: Out-of-hours GP concerns raised

Information technology can and should expand your range of communication, but cannot be a substitute for interactions that build trust, share vision, and enhance community.

FORBES: Young People, Stop Just Texting Me and Give Me a Call Once in a While PLZ! Part Deux