According to the latest numbers, more than 500 million people worldwide now use Facebook each month. Users are no longer limited to teenagers and college students. In fact, the fastest growing demographic is individuals age 35 years and older. They include grandparents, business people, other dentists and people just like you.

Google recently announced that it is taking speed into account in determining page rank. According to Google, faster sites make for happier users, and its studies have shown that the slower a Web site is to load, the less time a user will spend on the site.