Want to install Apple's Siri personal assistant on your iOS 5 device? iOS hackers Grant Paul (aka chpwn), Steven Troughton-Smith and Ryan Petrich have released 'Spire' which downloads Siri agent directly from Apple while installing. Installing will take about 100 MB of data; which means you should ideally connect your iOS device to Wi-Fi instead of using 3G. Further details: chpwn