There will be a great surge in the way online busineses will trive.A lot of people in order to mitigate cost of running business.But like you said,there are some busineses that cannot be done online,Like high level electrical appliances and other goods that need the clients to be present to access the product.There may be reduction in the participation of offline job but that doesn't mean it will fade away. There are sole business that cannot be sold online hereby making offline business indispensable. Human will still find a way of working it out.