Mobile computing devices such as PDA, mobile phone are of limited resource and slow Internet access capability, so the speed of receiving email is relatively slow.

移动计算设备如pda、手机等具有资源少、网络速度慢的特点，因而其接收电子邮件的速度较慢。

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Here's a little background on Just Mobile: the company started off as a PDA (mainly Windows Mobile) accessory OEM in around 2005, with Huang taking care of procurement plus manufacturing, and his talkative friend Gustafsson, an ex-banker, overlooking European sales.

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While AOL offers its services and instant messaging to several mobile carriers and PDA platforms, it's only company-led foray into wireless Internet is through its Mobile Communicator product: a Research in Motion (nasdaq: RIMM - news - people ) Blackberry, running on Cingular Wireless ' network, that has e-mail and instant messenger.

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INSPI2 augments a Web site and client application that is still in use on laptops and PDA-type Windows Mobile devices.

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