Apple's perfectionism is legendary. Good enough just doesn't cut it for a company whose exacting demands often drive its suppliers and manufacturing partners crazy. This even includes construction companies tasked with building Apple's upcoming iSpaceship campus with four times narrower gaps between surfaces versus the U.S. construction standard.

We learned earlier this morning that Apple may have returned up to eight million iPhones to Foxconn, apparently because the unites were not fit for sale, potentially costing the contract manufacturer north of $1 billion to make replacements. In fact, Apple's hard-to-meet standard and various manufacturing challenges could reportedly delay the next wave of iDevice upgrades until Fall.

And today comes another confirmation that Apple won't launch the iPhone 5S this summer because it is still trying out various coating materials in the hope of finding one that won't interfere with the handset's fingerprint sensor...