Is it creating a new reality in which people actively avoid real-life interactions?
Of course, others have worried about these sorts of questions before.
"And mostly they're pretty unfounded." Rosenfeld, who has been keeping tabs on the dating lives of more than 3,000 people, has gleaned many insights about the growing role of apps like Tinder.
They are important today — roughly one of every four straight couples now meet on the Internet.
People used to marry in their early 20s, which meant that most dating that was done, or most courting that was done, was done with the intention of settling down right away.
And that’s not the life that young people lead anymore.
The idea is that if you’re faced with too many options you will find it harder to pick one, that too much choice is demotivating.
On her screen, images of men appeared and then disappeared to the left and right, depending on the direction in which she wiped.
I felt a deep sense a rejection -- not personally, but on behalf of everyone at the bar.
The age of first marriage is now in the late twenties, and more people in their 30s and even 40s are deciding not to settle down.
The rise of phone apps and online dating websites gives people access to more potential partners than they could meet at work or in the neighborhood.