Will the shift to mobile as the primary interface to the Internet, dethrone search engines such as Google, that generate their revenues from advertising? An interesting discussion in NYT. As people increasingly rely on powerful mobile phones instead of PCs to access the Web, their surfing habits are bound to change. What’s more, online advertising could lose its role as the Web’s primary economic engine, putting Google’s leadership role into question. “The new paradigm is mobile computing and mobility,” said David B.