About Memento LE, This is a video recording system for Yahoo! Messenger Webcam sessions. Once a webcam session has been established, Memento LE can record all video sent by a remote user to a local AVI file for later playback by your favorite media player. Memento LE can also compress the recorded video data using any installed codec. Memento LE can also record video chat sessions that are minimized or covered by another window.