It offered telegraphic capabilities from within the convenience of the home for a limited number of services, including the ability to instantly summon a messenger to attend to one’s needs.
And now we have applications like TaskRabbit, where you can hire someone random online to complete almost any task or errand you need done. It can be same-day or you can be scheduled way in advance. I've been seeing this a lot recently with influencers in LA, and it's crazy to see how people used to have to wait days just to receive a message.