A summation of advice given at Mac/iOS conferences

Speaker A: "Charge for upgrades."
Speaker B: "Don't charges for upgrades."

Speaker C: "Use dot syntax."
Speaker D: "Dot syntax should die in a fire."

Speaker E: "Write. Unit. Tests."
Speaker E: "I don't write unit tests."

Speaker F: "Use ARC."
Speaker G: "ARC isn't ready."

Speaker H: "Code to the latest SDK."
Speaker I: "Support older devices."

Speakers A-I: "Hire a designer."