Jane Roxbury of the Metropolitan Tucson Convention and Visitors Bureau speaks about the impact of the Gem and Mineral Show on Tucson's economy following networking, member orientation and lunch, from 10:30 a.m. to 1:30 p.m., Tuesday, Feb. 8. $40; $35, members at the door. $30; $25, members with registration by Thursday, Feb. 3. Register at nawbotucson.org. Call 326-2926, or e-mail email@example.com for more information.