We’d probably find a similar method. We still have radio, television, text messages and cellphones.
Content would become very tedious to acquire, it would be slower and more convoluted, but humans are crafty.
In the short term, complete economic collapse though. Quite likely that some of the less stable governments might crumble temporarily. Early adopters of new technology or refurbished tech would soar, big time, while companies reliant on internet orders and services would go bankrupt overnight.