Kids still start pairing off around the same age (between 12 and 14, with more serious relationships usually reserved for the later teen years), and parents still worry about them experimenting with sex.
But these days, there's even more reason for concern.
"A lot of kids have this idea that it's no big deal." Kids who think this may be missing crucial messages about sexually transmitted diseases and self-esteem.
Then waiting for him to come to the house to pick you up? "Even the concept of dating is outdated," says Beth-Marie Jelsma, a psychotherapist in Rochester, New York.
Remember sitting by the phone, waiting for a boy to call and ask for a date?
(Also, be sure you know the numbers of your child's friends.) Internet sites like myspace.com, facebook.com, and xanga.com, where teens can post pictures and trade messages, allow kids to meet tons of new people.
While the dangers should be obvious, teens can be oblivious.
And a reminder: Keep your computer in an open area, like an office or the kitchen, where it can be monitored by anyone coming in and out. Then the mother heard that the girl wanted to have sex with her son. "I told him I'd like to see him wait until he was at least 18," she says. And girls need to be taught how to be respectful of a boy's feelings.
One woman with three sons was astonished last summer when a girl took a liking to her 15-year-old and got aggressive. Teen pregnancy numbers are down, and so is the number of kids who are having intercourse.
Researchers at the RAND Corporation have found that teens are more likely to have sex when there is less after-school supervision.
So if your daughter is home when you're not, show up unexpectedly on occasion or ask a friendly neighbor to check up on her.
Kids also use their cell phones to spread the news about parties.