gistfile1.m

-(void)someMethod
{
  // I own this!
  SomeObject *iOwnThis = [[SomeObject alloc] init];

  [iOwnThis doYourThing];

  // I release this!
  [iOwnThis release];
}

-(void)someOtherMethod:(SomeObject *)someThing
{
  // I own this too!
  SomeObject *aCopyOfSomeThing = [someThing copy];

  [aCopyOfSomeThing doSomething];

  // I release this!
  [aCopyOfSomeThing release];
}

-(void)yetAnotherMethod
{
  // I own this too!
  SomeObject *anotherThingIOwn = [SomeObject new];

  [anotherThingIOwn doSomething];

  // I release this!
  [anotherThingIOwn release];
}