Share 'Multithreading is no longer cool'

A long time ago, during the time of green screen computers, if a network server wanted to process a request from a client, it would have to wait for the I/O (Input/Output) process on the incoming data packets to complete and then process the data before accepting another request from a client.  What if it took 1 second to complete a single request and there were 60 clients simultan…