When we see the word in this context, we are not talking about iPhones. In 2007-2012, "portable" meant three specific things. Understanding this is the key to the keyword.
: Be careful not to show street signs, house numbers, or sensitive locations. junior blogtv stickam vichatter portable
He closed Stickam. The window vanished. He closed BlogTV. Gone. He reached for the Vichatter tab—but 091283 had already typed one final message: When we see the word in this context,