Apple iPhone 4 (iOS5)

Twitter is a social network allowing you to write your own and read others' status updates in messages not exceeding 140 characters. The status updates are displayed in your profile and are received by people who follow you. You decide who you want to receive status updates from. Before you can use the application, it needs to be downloaded and installed. Follow these instructions to install Twitter.
You need to set up your phone for internet to use this function. Click here for information on how to set up your phone for internet.

You also need an Apple ID. If you don't have an Apple ID, you can create one at www.apple.com