They can search at night if they are in classes during the day, in their flannel bathrobes and fuzzy slippers or even naked while slurping down a Coke. It just seems convenient to me. More and more people are comfortable with computers. Don't put your address or phone number if posting on the Internet. In the Stone Age, before little boxes of wires made our lives easier, there were other ways of searching for internships.
Instructors are a good source of internships.
We have hard-copy literature on a huge number of employers. The Internet may not provide specific information needed when searching for internships. One thing that comes to mind in the files, particularly with contact people, there is more specific information than a Web site might give you. Students looking for an internship are advised to start looking as soon possible. Students come in now looking for a winter-semester job, and we can do that, but it's harder now.