...written by customers, had an iPhone app that used the device's GPS and wireless Internet connectivity to deliver local search results. But when the iPhone got a compass, bloggers wondered whether Yelp would go further and make its app overlay...

...aerial photographs and satellite images that it promised for later this year. MSN Virtual Earth will offer detailed local search results that include actual glimpses of the pizza joints and coffee shops rather than just the rooftop views satellite...

...its other rivals - the Internet's biggest index, consisting of 4.3 billion Web pages. The emphasis on more local search results reflects an emerging change in how people are looking things up. As more homes sign up for high-speed Internet...