"IM" through "iPod"
IM Acronym for instant message is acceptable on second reference. See SMS.
internet Lowercase. See domain names, URLs, websites, e-mail addresses and World Wide Web.
intranet Private networks used internally by companies or organizations. Lowercase always.
iPhone, iPod These brand names denote Apple’s popular multifunction cell phone and digital media player, respectively. They should not be used to describe similar devices made by other companies.
