featuring advice from Your Tango Experts Sally Landau & Julianne Cantarella! Today is all about online dating for the mature adult, featuring advice from Your Tango Experts Sally Landau & Julianne Cantarella. Start here.)Think that online dating is only for people in their twenties and thirties? Increasingly, the over-40 set is getting in on the action. You will discover sites catering to certain age groups, specific ethnicities, religious faiths, gender preferences, educational levels and more, making it easy for you to find a comfortable fit.