I recently hit a few milestones that got me thinking about the attributes of sustained projects.\n\n\nMy 7th iOS (iPhone) Developer Program\nMy first app approved 6 years ago\n200 Episodes\n\n\n\nI tried to boil them down into four keys:\n\n\nPurpose\nDiversity\nFlexibility / Ruthlessness\nPatience / Tenacity