Apple 's annual Worldwide Developers Conference kicks off Monday . Observers expect a new mobile operating system and refreshed MacBooks . A rumored smart watch and a possible Apple TV set remain longshots for now . Comment:
Apple 's annual Worldwide Developers Conference kicks off Monday . Observers expect a new mobile operating system and refreshed MacBooks . A rumored smart watch and a possible Apple TV set remain longshots for now . Apple 's keynote begins Monday at 1 p.m . ET in San Francisco .