Roadmap
"Premature optimization is the root of all evil."—Donald Knuth, quoting C. A. R. Hoare
"If you think education is expensive, try ignorance."—Derek Bok
"If I had more time, I would have written you a shorter letter."—???
dev.laptop.org/roadmap is the list of OLPC project milestones, future and past, and their associated tickets.
Its milestone/Opportunity is not really a milestone, but rather a collection of tasks, not on the non-critical path, for the community's attention.