Online Dating Sites 2.0: Thirteen Sites To Locate Love. One huge difference is the fact that these sites are (mostly) free, making income from advertising product sales alone.

Online Dating Sites 2.0: Thirteen Sites To Locate Love. One huge difference is the fact that these sites are (mostly) free, making income from advertising product sales alone. Internet dating is big company, drawing about 4 million U.S. Internet surfers daily in June 2006 (and 25 million month-to...