Six mornings a week, Ray White, 92, dispatches garden wisdom and more on his Web log, Dad's Tomato Garden Journal. His favorite subject is tomatoes. But he gets downright fatherly with random thoughts on love and what matters most in life. Since launching his blog in 2003, White has tallied 61,000 visitors. "I've got friends all over the world," says the Tennessean.
Older Web surfers are catching on to the blog craze. "We're seeing more and more seniors wanting to take advantage of this new technology," says Marcie Schwarz of SeniorNet, an educational organization that helps older adults get wired. Blogs...