This article initially misstated the status of Googlesystem. It is an unofficial blog that tracks Google.
This blog initially misstated why the G1 app does not allow you to just hold the phone up to your face. The T-Mobile G1 does have an accelerometer, but the application does not make use of it.
When it was initially published, this story cited data from another publication about Sequoia's energy usage. Several readers doubted the validity of the data, and I have not been able to confirm the figures. For now, that information has been removed. If I'm able to get clarification on Sequoia's energy usage, I will update the original blog.
This post initially misstated the company providing the tracking technology being used to provide security and safety for NFL personnel. The company is US Fleet Tracking.