Ubiquitous video technology and social media have given deaf people a new way to communicate. They’re using it to transform American Sign Language. Scroll This is how a deaf person in America ...

Each time you replicate a sign correctly, a ding sounds off to indicate that you're catching on. You're also awarded a certain number of points to keep track of your progress.

In American Sign Language, students set up one of three tenses at the start of a phrase, but hand signs themselves don't change for each verb tense. Sign language throws in its own complications ...