**4. A little piece of marketing and managerial advice**

We believe our findings can be useful for small NGOs and nonprofits willing to take advantage of SNS to improve their communication efforts with their several stakeholders. These insights can guide the effective design and delivery of marketing and communication strategies based on the use of nudges and incentives.

**1.** We recommend to study and observe your public. Who are your main stakeholders? What moves them to donate or to volunteer? Which are their main concerns? With information in hand, nonprofit leaders and marketers will be able to select the appropriate channels to communicate with their publics.

