How can i find someone for free? without using a website that will charge me to

Question:

How can i find someone for free? without using a website that will charge me to find a specific person?

I am looking for two people I went to college with and they are both female so they may have remarried and changed their last names. Any info would be greatly appreciated.

Best Answer - Chosen by Asker: Genealogy is about researching dead ancestors. We consider it unethical to give private information on living persons.