 Potential participants seek information about clinical trials for many reasons, but the process can be challenging. We analyzed 101,249 searches in research match trials today, a free interface to recruiting trials from clinicaltrials.government. Searches from March 2015 to November 2016 included a broad range of conditions and healthy volunteer concepts, including 12,649 unique topics. Trials today data indicate that it is being used to identify trials on a variety of topics. This article was authored by Jill M. Pully, Rebecca N. Jerome, Gordon R. Bernard, and others.