The document discusses the UniteEurope project, which aims to use social media analytics tools to support sustainable migrant integration policies. The project develops a web-based tool with different modules to collect, analyze, and visualize social media data from cities and organizations working in migrant integration. Some challenges addressed include legal and ethical issues around data privacy, ensuring the data is representative of diverse populations, and focusing on regions with high social media and internet access. The tool is meant to provide authentic citizen perspectives to help public and nonprofit groups improve migrant integration policies.