People interviewing for a tech job had their genders masked. It made things worse for the women. | Fusion: "The company decided to build a voice-masking tool to see if that made a difference in how candidates fared. They developed a few different types of voice modulations, and tested them out on 234 different interviews. They were surprised to find, however, that the gender swapping had no significant effect, and actually achieved the opposite of what they had hoped."