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iCalendar (iCal), 84, 85 IM (instant messaging)

MMS (Multimedia Messaging Service),

51, 55, 56 MSN Messenger, 95 versus text messages, 56 IMAP (Internet Message Access Protocol),

12, 66, 73-74 Information Technology apps, 251 installing apps, 194, 198-99 instant messaging (IM)

MMS (Multimedia Messaging Service),

51, 55, 56 MSN Messenger, 95 versus text messages, 56 interfaces, appliance, 8-9 international calls, 25, 49 international instant messages (IM), 56 international roaming, avoiding, 24-25 international settings, 24-25 international text messages, 52, 57

Internet connections, 27-34, See also web browsers 3G, 29 4G, 29-30

battery usage and, 31 Bluetooth, 28-29, 30, 31 CDMA standard, 27, 29 EDGE, 29 GPS, 29, 30, 31 GSM standard, 27 navigating, 34 roaming, 24-25, 30 security, 28, 31-34 signal strength indicators, 30 tethering, 134-37 troubleshooting, 30-31 VPNs, 32-33 Wi-Fi, 27-28, 30, 31 WiMax, 29-30 Internet Explorer, 34. See also web browsers intranets, connecting with VPNs, 32-33 investment apps, 243 invitations, event, 90 IPConfig, 251 IRT Calendar, 91 IT apps, 251

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