According to website, PMSBuddy.com, 22 women of the 1,201 already being tracked will start PMS within five days. PMSBuddy.com alerts you to “that time of the month”--whether it's your wife, girlfriend, mother, sister, daughter, or any other woman in your life. You enter in the date of their last period and the site will give you a heads-up via email along with some “advice."

Implications - The service is absolutely free, but you have to make an account with the website. The website features different pages with PMS stories, tips and news about the website. Users can write their own PMS stories and share them with other users of PMSBuddy.com. There are surprisingly quite a number of stories on the site and you can even vote for your favorite or add a comment.