Similarly, there's the lineage of: 1. Microsoft Passport 2. .NET Passport 3. Microsoft Passport Network 4. Windows Live Passport 5. Microsoft Account It s

Similarly, there's the lineage of: 1. Microsoft Passport 2. .NET Passport 3. Microsoft Passport Network 4. Windows Live Passport 5. Microsoft Account It seems that whenever Microsoft releases a new strategy white paper, the Passport brand changes.