The document discusses the PEER project, which aims to (1) identify usability requirements for online tools for older adults, (2) adapt open-source Web 2.0 tools for use on social platforms for those aged 50+, and (3) provide guidelines for peer learning methods on these platforms. The project involves 11 partner organizations from 7 European countries and will last 24 months, adapting tools into multiple languages and connecting operators of websites for older adults. Workshops will assess selected tools and develop guidelines in 23 EU languages.