Users created a dating profile, filled out a 450-item questionnaire, and reviewed matches without the ability to see any other users' pictures.
Over the years, the site has added photos and made its clunky interface easier to navigate.
e Harmony’s research team also conducts research on couples who met through the site.
Lighting business, dating back to Thomas Edison, is on the block.
Unlike the location-based dating apps, e Harmony's matches are determined by a slimmed-down version of its original questionnaire—it now features 150 questions.