Some are based purely on physical appearance, others focus on hobbies and interests, while others highlight education or the type of computer you use.

Wading into these crowded waters is We Waited.com, a dating site exclusively for virgins.

Sex only dating site-47Sex only dating site-15

Such companies offer a wide variety of unmoderated matchmaking services, most of which are profile-based.

Online dating services allow users to become "members" by creating a profile and uploading personal information including (but not limited to) age, gender, sexual orientation, location, and appearance.

Other sites target highly specific demographics based on features like shared interests, location, religion, or relationship type.

Online dating services also differ widely in their revenue streams.

Only 30 percent of applicants to the site are admitted, and they gain access through a fee and a survey designed to assess their trustworthiness.

The site's founders admit that some virgins are left out due to the rigorous screening process, while some who lie about their sexual activity make it in.

Still others rely solely on paid membership subscriptions.

Opinions and usage of online dating services also differ widely.

At the end of November 2004, there were 844 lifestyle and dating sites, a 38% increase since the start of the year, according to Hitwise Inc.

The stigma associated with online dating dropped over the years and people view online dating more positively.

A Changing Institution," women and men still want to meet and build relationships with each other, so marriage remains an ideal.