ALSO NOTED: Samsung plans to demo 4G; Leap sells 6.4M shares; and much more...

> Samsung Electronics plans to demonstrate 4G technology. Article (sub. req.)

> Leap Wireless said it completed a public offering of 6.4 million shares of common stock for $42 per share. Article

> Samsung Electronics and Cingular Wireless announced the handset vendor's first HSDPA phone for Cingular's 3G network. Article

> Sierra Wireless introduced versions of its AirCard wireless modems for EV-DO Rev. A and HSDPA networks, designed to work using USB. What's more, they're Mac-compatible. Article

> A 23-year-old hacker who gained access to T-Mobile's network and accessed the personal information of about 400 customers has been sentenced to a year of home detention. Article

And Finally... Sixty-three percent of parents who use text messaging believe that it improves their communication with their children, according to a recent Cingular survey on text messaging and parents. Article