> why then do people flock to WhatsApp, Slack, and other non-email products? One reason is that corporations are extremely good at hijacking attention and stim

> why then do people flock to WhatsApp, Slack, and other non-email products? One reason is that corporations are extremely good at hijacking attention and stimulating addictive areas of the brain. There are various definitions of "best" here, ranging from "efficient" to "what people will flock to".