M uch effort has gone towards crafting mandates and standards for researchers to share their data 1-3. Considerably less time has been spent measuring just how valuable data sharing is, or recognizing the scientific contributions of the people responsible for those data sets. The impact of research continues to be measured by primary publications, rather than by subsequent uses of the data. To incentivize the sharing of useful data, the scientific enterprise needs a well-defined system that links individuals with reuse of data sets they generate 4. To further this Microscopy images of normal and cancerous human tissue-when reused by others, the impact of the collected data is multiplied.