[OSX-Users] Re: iPhone 3.0 battery life?

[Marcus Cobden]

On 19 Jul 2009, at 16:35, Philip Boulain wrote:

> Hugh Glaser wrote:
>> I think you may find that "push" is on by default.
>> If you switch it off, going back to polling for email...you may get  
>> back to "normal".
>
> That seems odd. Isn't the point of push mail that it's more  
> efficient, avoiding the need for the phone to keep transmitting  
> "Hey! Do I have any mail yet? What about now? What about now?"

The design choice probably came down to cost.
It's cheaper and easier to code it that way than to ask the carriers  
to invest in new hardware and software updates on their networks so  
they can do it right.