There seems to be a lot of concern these days about platform lock in with Microsoft's new found philanthropic initiatives. If one were to stick to IaaS, using

There seems to be a lot of concern these days about platform lock in with Microsoft's new found philanthropic initiatives. If one were to stick to IaaS, using only Azure hosted Linux VMs and not get involved in any special Azure PaaS offerings, then any project hosted under this model could easily avoid platform lock in and be transported to another service provider at any time.