The researchers found that most institutions had only ad hoc policies for dealing with full - time professors on contract, and even those policies often varied by department. (sciencemag.org)
There are ways to test: try running a text only ad, and then some ads with your book cover or images. (marketingforwriters.com)
There is still a place for traditional search and display campaigns but call only ads fill that gap for people who just want to make a phone call. (circleoflegaltrust.com)