 1980s - Researchers begin to view commercials as a “structured flow of experience” rather than a single unit to be rated on the whole, creating moment-by-moment systems such as the dial-a-meter.1990s - Ameritest Research creates Picture Sorts to provide accurate non-verbal measurements in a moment-by-moment system.Picture Sorts results are graphed to visually represent commercial viewers' moment-by-moment image recognition (Flow of Attention), positive and negative feelings (Flow of Emotion), and brand values (Flow of Meaning).