And Black was convicted of accepting a non-compete payment where the court found strong evidence of fraud as well as another count of interfering with a grand jury investigation by removing boxes of documents from his offices.

FORBES: Supremes Reject Black Appeal Despite Favorable Earlier Ruling

The electronics behind the Wall's surface can accommodate an infinite number of fingers as well as elbows, pens or an umbrella, without any of them interfering with one another.

FORBES: Magazine Article