Today is April 20 (also known as 420) a date of special significance for people who enjoy cannabis in any of its forms Snapchat, which has a new selection of face-altering filters every day jumped on the bandwagon by offering a "Bob Marley" filter The problem? A lot of people think the filter is offensive and racist The Bob Marley filter was recognized by many folks as inappropriate with some Twitter users calling it "digital blackfacing"
