Vendor lock-in isn't especially strong. I wrote the original Twilio/PHP/AppEngine docs almost two years ago: http://googlecloudplatform.blogspot.com/2013/08/ge

Vendor lock-in isn't especially strong. I wrote the original Twilio/PHP/AppEngine docs almost two years ago: http://googlecloudplatform.blogspot.com/2013/08/getting-started-with-twilio-and-google.html http://googlecloudplatform.blogspot.com/2013/08/getting-star...