(FORTUNE Magazine) – Royce Holland is CEO and co-founder of Allegiance Telecom, a competitive local exchange carrier providing voice, data, and Internet service to businesses. He started the Dallas company two years ago but is no telecom novice. He was president (and co-founder) of MFS Communications before it was bought by WorldCom.

Active Weather www.weatherlord.com Colin Lord, the 14-year-old son of our CFO, is Webmaster of this site, which lets me know when to take my overcoat on business trips.

Alamo Cam www.expressnews.com/alamocam By visiting this real-time view of the Alamo, I fulfill my duty as a native Texan to monitor potential invasions from hostile nations. If the bad guys are not threatening the state, I can turn to real-time views of the Kremlin, the Eiffel Tower, or Loch Ness.

Hook'em www.hookem.com I'm a University of Texas grad, and this is where I keep posted as the Longhorns battle the Aggies, Sooners, and Cornhuskers for pigskin supremacy in the Big 12.

Amazon.com www.amazon.com I love books on 19th- and 20th-century European military history. During the recent Kosovo conflagration, I wanted some good Balkan history. Here's where I found The Guns of August, a saga of the events leading up to World War I.