Quoted: Discipline. Collaboration. Results. Pivotal Labs creates great software. We've done it for leading companies, and we can do it for you. We've developed products for multi-billion dollar companies and for early-stage startups. We've worked with the sharpest entrepreneurs and the top VCs. We build industrial strength code from Day One, which is why the biggest names in the web world have sought our expertise. Working together, we develop applications and institute development practices that enable them to scale their businesses to meet rapidly increasing consumer demand. We bring that same level of expertise and joint development to every project we work on, and we can bring it to your product as well.

Quoted: 基本的な画面サイズ
iPhoneの画面サイズは、320pixel*480pixel。このうち上部のステータスバー（アンテナ、電池残量など）に20pixel要するため、実質描画エリアのサイズは320pixel*460pixel。
ただし、JavaScriptで取れるscreen.width、screen.heightに対しては、320pixel、396pixelが返ってきます。
キーボードを考慮したサイズ
画面上部にステータスバー（20pixel）とURLバー（60pixel）、画面下部にはフォームアシスタントバー（44pixel）とキーボード（216pixel/162pixel）が表示されるため、キーボード未表示で320*356pixel、キーボード表示時には320*140pixelしか利用できない。

Quoted: Programming for the iPhone is still pretty new. It might be a bit tougher to find iPhone developer resources, but ...