ALSO NOTED: Optus posts strong subscriber growth; Bill could outlaw muni-WiFi; and much more...

> Optus reports 16 percent subsriber growth in its fourth-quarter. Article

> A new US bill could outlaw municipal WiFi networks across the country. Blog

> MVNO Amp'd Mobile inks ringtones deal with Moderati. Release

> CIOs offer tips on how to deploy VoIP. Article

And Finally... Publisher HarperCollins plans to launch hotspots in bookstores. Article