iPhone OS 4.0!!!

Homan

上次推出OS 3.0，之後就公佈了3Gs，今次公佈4.0又係唔係代表新一代iPhone即將推出？
（姑且叫做iPhone 4G吧… 雖然“3G” “4G” 是網路制式，但也可視為“Generation”的縮寫…）

100+ New User Features 包括：(from: http://www.apple.com/iphone/preview-iphone-os/)

                                                               
Multitasking                                                               
Developers will have access to seven multitasking services, which will allow tasks to be performed in the background while preserving performance and battery life.


Folders                                                               
Organize apps into folders with drag-and-drop simplicity. Get faster access to your favorites and browse and manage up to 2160 apps at once — many more than the current limit of 180 apps.


Even Better Mail                                                               
See messages from all your email accounts displayed together in a unified inbox, switch between inboxes more quickly, organize messages by threads, and even open attachments in third-party apps.


iBooks
The best way to browse, buy, and read books on a mobile device. Easily flip through the pages of a book you've downloaded from the iBookstore while listening to your music collection.


iAd
iAd is a breakthrough mobile advertising platform from Apple. With it, apps can feature rich media ads that combine the emotion of TV with the interactivity of the web. For developers, it means a new, easy-to-implement source of revenue. For advertisers, it creates a new media outlet that offers consumers highly targeted information.

不過，最重要的Multi-Tasking因為硬件限制，只能用於3Gs及iPad上…