Don't link to Vic Gundotra. His G+ team is sitting on their asses on three use cases that should have been brought over from Picasa right off the bat:
1. Name tag for people not on G+ or without email IDs. My guess is Vic's great grand mother has a [dead] Google+ account. I wonder if it counts towards the 300 million users. /sarcasm
2. API search for photos with name tags
3. Better management and realization (more use case support) of photo sharing and shared albums, e.g. setting up photos feeds and pushing them through APIs.