iPhone owners holding out hope that OS 3.2 would bring some of these fancy new iPad spoils to their devices might be in for a disappointment, because two of the big ones -- split view and popovers -- are both referred to in Apple's updated human interface guidelines as "iPad-only." Realistically, this shouldn't come as a surprise; both of these UI elements were built to shine on larger displays, and it's hard to say how you could make either one of them work on HVGA -- but it's important for devs to note that heavily investing in these are definitely going to make it difficult to make their apps compatible across all iPhone OS-powered devices. Considering that iPhones will almost certainly continue to dominate iPads for sales v
