If you post Member Content to our Services, you hereby grant us a perpetual (i.e. lasting forever), worldwide, irrevocable, non-exclusive, royalty-free and fully sublicensable (i.e. we can grant this right to others) license to use, reproduce, display, perform, adapt, modify, create derivative works from, distribute, have distributed and promote such Member Content in any form, in all media now known or hereinafter created (including in emails or other communications to our members) to administer, operate, develop and otherwise provide the Couchsurfing Services.

"may retain certain information as required by law, for legitimate business purposes and to protect member safety." They say they will hold data from already closed accounts in order to help them combat fraud on the platform.