"Is it Running Now? Good!" Too often the scope of monitoring is "the server returns 200" or "a string is present" but this is usually a small part of what our web applications do. If you ran Twitter would you want to know the number of tweets per second? If you ran Amazon would you want to know the number of orders per hour?
Lets talk about a new way of thinking when you monitor systems. Monitoring business, instead of just technology. Measuring everything and broadcasting it everywhere.