B2 has plenty of limitations, too. Like being single datacenter. I wouldn't disqualify it from a list like this just because it's "different". Each of the se

B2 has plenty of limitations, too. Like being single datacenter. I wouldn't disqualify it from a list like this just because it's "different". Each of the services on the list have their upsides and downsides, and none of them are anywhere near apples-to-apples. What they all are are cloud-based key-value storage, each with their own tradeoffs, including price. So include all the major ones so your clients can make an informed decision and you don't look like you're completely unaware of your own competitive landscape.