“Am I going to get matches based on liking ‘The SpongeBob SquarePants Movie’ when I was 14?” said one 22-year-old law student in California currently using other online-dating apps. Plus, she added, “many women, including me, have had to deal with complete strangers, usually middle-aged men abroad, sending gross messages when you’re not their friends.” Having a Facebook dating profile, she guessed, wouldn’t help.