... record, let them know the outcome. Ifthey’re searching for records and the operation moves beyond a single pass through the event loop, let them know how the search is proceeding. While there is ... Book Chapter 1, Cocoa Touch: The Core iPhone, describes the essential information for CocoaTouch and the devices that run the iPhone OS. Chapter 2, The Mobile HIG, gives an introduction to the ... starving users for information and overwhelming them, most users wouldprefer to know the status of an operation they’ve initiated.Use Progressive EnhancementOn the subject of networking and the...