I have a couple of things which I may write about next :-
Dataloading :
- Bulk data load into/out of GAE datastore
- Interfaces for cross service implementation data transfer
Push messaging
- Options for push messaging (SQS, SNS, PubNub, Atmosphere, ...) ways to achieve cross-cluster push messaging
- GAE channels API and push messaging
Leaderboards
- Paged leaderboard access versus cursor style
- Truth or fiction - accurate position data versus timely responses versus infinite computing resource
I'll start chewing some of those off in the next day or so!
Tim