Client: Create a widget with a price of $2.00.
Server: OK.
Client: It worked! Great! Get me the widget I just created.
Server: OK.
Client: This isn't my widget. Get me a list of all the widgets.
Server: OK.
Client: My widget isn't in this list. I'll try again. Create a widget with a price of $2.00.
Server: OK.
Client: What is C2319? Where'd I put the API docs? Search for a widget that's $2.00.
Server: OK.
Client: This isn't even a widget! You suck!
Server: OK.
Client: Create a widget with a price of $2.00.
Server: Unauthorized.
Client: Oops, forgot my credentials. Create a widget with a price of $2.00. Here are my credentials.
Server: Created.
Client: That's a nice widget! Update the price of that widget to "forty two dollars".
Server: Unprocessable Entity.
Client: Oh yeah the price has to be a number.
Client: Make a cup of coffee with 2 sugars.
Server: I'm a teapot!