The "silver tsunami" is coming as the graying 50 to 64 year-olds are among America's most wired. This pre-retirement group is currently using the Internet at work and is comfortable using online resources for email, news, online banking, travel arrangements, job information, and work-related activities. The Internet meets the needs of both the pre-retirement 50 to 64 year-olds and the seniors 65+. It provides instant communication with family and friends, medical information, learning opportunities and many chances for self-fulfillment. As younger surfers show the benefits of the Internet to their senior family members and as the 50 to -year- old group moves into retirement, the Internet of the future may be awash with gray.   Sandy Berger's Great Age Guide to Online Travel is written specifically for those adults 50+ living with and using their computers and the Internet to improve their everyday lives. This guide provides information on all the ways the Internet can help you plan and arrange your travel needs quickly and easily, from researching destinations to finding travel bargains and more.