Twilio going up the food chain - edging closer to getting in competition with its customers.
My hope is all our customers can leverage these primitives to invest more development time in their applications rather than solve the same mundane problems over and over again. I think that's the promise of a continually improving platform rather than an elbow move.
[edit: typo]
[1] - http://en.wikipedia.org/wiki/Business_process_management
[2] - http://activiti.org/