How do I convince my client that article marketing on the internet is a good strategy?

The best method, says Eric Gruber of marketing agency Everything Communications, is to write a 500-1,000 word article and send it to reputable Web sites that accept outside contributions. He also suggests targeting "article directories" that post stories for viewing by Web site editors, who can gain permission to reprint those articles on their sites.

"The great thing about the Internet is that you can ...