@CNN: Facebook’s efforts to prevent people from using its platform to meddle in US politics will rely in part on one very low-tech tool: postcards https://t.co/FdGPgWLBJa https://t.co/fs8oDhbTad

@CNN: Facebook’s efforts to prevent people from using its platform to meddle in US politics will rely in part on one very low-tech tool: postcards https://t.co/FdGPgWLBJa https://t.co/fs8oDhbTad