The chronic loneliness some elderly people suffer from can only be relieved by relationships, so if the internet is to help it has "link people to people", Esther Rantzen told Good Morning Britain.
The former TV presenter, who set up a helpline to combat loneliness in the elderly, believed teaching OAPs how to use the internet could help, but warned many felt out of their depth with the technology.
"A lot of the generation that Silver Line works with...are not comfortable with the internet. It frightens them. They think it is a whole new set of skills they have to learn."
More top news
A 36-year-old man has been shot dead during a police operation in Kent.
Brussels' Zaventem Airport departure hall has reopened to the public, 40 days after twin suicide attacks killed 16 people.
A 21-year-old man accused of planning to travel to Syria and engage in "violent jihad" has appeared in court.