As the expert witness begins to explain about the C2-C3 and L4-L5 location on the spine, the attorney watches the jury nod off because they have no idea what he/she is talking about. Jurors are easily bored or confused by numerous dates or facts in a particular case. We are an age of interactive technology, HD television, and streaming media. Everything is at our fingertips. It has been proven that jurors retain 20% of oral evidence versus 80% when oral testimony is accompanied by demonstrative evidence. This is a key point, especially when a trial is set to last a week or longer.