Amazon's Family Vault lets groups pool their photos for easy sharing

In the realm of photo sharing, Amazon wants to be king. Amazon Prime subscribers already enjoy unlimited photo storage, although if your family members use different Amazon accounts, those pics have been walled off from each other. Not anymore, though: With the launch of Amazon Family Vault, Prime members can invite up to five family members (or friends) to share photos. SEE ALSO: Amazon Prime members finally get some real book benefits To make photo sharing easier, those additional members will