By Chris Morris

PHILADELPHIA (CBS) – On today’s APP-tastic and Outta SITE – Marlee Signs.

Actress Marlee Matlin is a pillar of the deaf community – and now she’s helping those who can hear better communicate with people suffering from hearing loss.

Marlee Signs teaches you the basics of American Sign Language – from the alphabet to basic vocabulary – all with video demonstrations from Matlin herself.

Check out the Marlee Signs app.