Not only is this nothing new as other commenters have observed, these tags have been used by screen readers and other accessibility services for awhile. While w

Not only is this nothing new as other commenters have observed, these tags have been used by screen readers and other accessibility services for awhile. While we can talk all we want about Facebook using their all seeing eyes for evil (which I agree they overstep a lot of boundaries), these tags are very useful for people who may require them and should not be scrutinized as an invasion of privacy.