Thu, Feb 05, 2009 - Page 1 News List

Google upgrade allows tracking by cellphone

AP , SAN FRANCISCO

With an upgrade to its mobile maps, Google hopes to prove it can track people on the go as effectively as it searches for information on the Internet.

The new software, set to be released yesterday, enables people with mobile phones and other wireless devices to automatically share their whereabouts with family and friends.

The feature, dubbed “Latitude,” expands upon a tool introduced in 2007 that allowed mobile phone users to check their own location on a Google map with the press of a button.

“This adds a social flavor to Google maps and makes it more fun,” said Steve Lee, a Google product manager.

It could also raise privacy concerns, but Google is doing its best to avoid a backlash by requiring each user to manually turn on the tracking software and making it easy to turn off or limit access to the service.

Google also is promising not to retain any information about its users’ movements. Only the last location picked up by the tracking service will be stored on Google’s computers, Lee said.

It plots a user’s location — marked by a personal picture on Google’s map — by relying on cellphone towers, global positioning systems or a Wi-Fi connection to deduce their location.

The system can follow people’s travels in the US and 26 other countries.

It’s left up to each user to decide who can monitor their location.

The social mapping approach is similar to a service already offered by Loopt, a three-year-old company located near Google’s Mountain View headquarters. Loopt’s service already is compatible with more than 100 types of cellphones.

To start out, Google Latitude will work on Research In Motion’s BlackBerry and devices running on Symbian software or Microsoft Corp’s Windows Mobile. It will also operate on some T-1 Mobile phones running on Google’s Android software and eventually will work on Apple’s iPhone and iTouch.

To widen the software’s appeal, Google is offering a version that can be installed on PCs as well.

The PC access is designed for people who don’t have a mobile phone but still may want to keep tabs on their children or someone else special, Lee said. People using the PC version can also be monitored if they are connected to the Internet through Wi-Fi.

Google can plot a person’s location within a few meters if it’s using GPS or might be off by several kilometers if it’s relying on transmission from cellphone towers. People who don’t want to be precise about their whereabouts can choose to display just the city instead of a specific neighborhood.

There are no plans to sell any advertising alongside Google’s tracking service, although analysts believe knowing a person’s location eventually will unleash new marketing opportunities.

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