That's where I believe the MBaaS shift will occur in 2014. The "M" part will go away because the same logic applies to desktop and Web apps, too. The "B" part will also go away, because the notion of a back end is too confining and assumes a central data center model when in fact services (like APIs) will come from multiple sources and be federated. It's really just services, and they will enrich mobile apps even more.
In other words, MBaaS is going to yield to simply cloud-delivered services. That's why SAP bought former mashup king JackBe, eBay bought PayPal, Facebook bought Parse, Salesforce.com's Heroku unit partnered with AnyPresence, and Google and Microsoft offer MBaaS functionality in their platform and infrastructure services.
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