You may not think to look on the Internet for help in dating old photographs, but actually it's the best place to go.
See also: Safely store, display your old family photographs.
We refer to these individuals throughout this report as “online daters,” and we define them in the following way: Taken together, 11% of all American adults have done one or both of these activities and are classified as “online daters.” In terms of demographics, online dating is most common among Americans in their mid-20’s through mid-40’s.
Some 22% of 25-34 year olds and 17% of 35-44 year olds are online daters.
The example used here contrasts sharply with the way conventional scientific dating methods are characterized by some critics (for example, refer to discussion in "Common Creationist Criticisms of Mainstream Dating Methods" in the Age of the Earth FAQ and Isochron Dating FAQ).
A common form of criticism is to cite geologically complicated situations where the application of radiometric dating is very challenging.
Online dating has jumped among adults under age 25 as well as those in their late 50s and early 60s.