"Real messaging" aside, this is an interesting question. It'd be great to hear from iain_hecker if they considered using RabbitMQ (or similar) and if yes, why SQS/SNS were chosen.
Also, I'd be interested to read more about how you handle authentication across web/mobile. Thank you for the blog post and for taking the time to answer questions here. :-)
Also, I'd be interested to read more about how you handle authentication across web/mobile. Thank you for the blog post and for taking the time to answer questions here. :-)