Transcend make WiFi SD cards as well, which support direct connection, run Linux, and are rootable to do cool things like upload files via FTP to a user-control

Transcend make WiFi SD cards as well, which support direct connection, run Linux, and are rootable to do cool things like upload files via FTP to a user-controlled server: https://github.com/alejandroliu/sdwifi https://github.com/alejandroliu/sdwifi