![]() While this approach to mobile email has been wildly successful, your device’s data usage using this model will be far greater since you are not in control of when to use the data connection. This allows you to set up alerts and even be proactively notified when you receive certain email messages. ![]() Research In Motion (RIM), the company that makes the BlackBerry, stepped in and developed a push technology that delivers new emails to your mobile device. This process is usually slow due to network latency and hardware of small devices. That is, when you wanted to check your email on your mobile phone, you access a mail application and then poll your server to see if any new mail has arrived. Access to email from a mobile device has been around for quite a while, but it’s always been a " pull” technology. One of the reasons BlackBerry has raced on the scene and become so popular is its " push” technology.
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