There are three famours Vs for Big Data

Volume, Variety and Velocity

IBM added the fourth V as "Veracity" that describes the validity of big data. However there's still one dimension missing to make effective use of Big data:

Visuality

It is important to understand that Big Data will only by valuable to people when it could be visually presented. Lacking of tools or ways to explore the Visuality of Big Data will turn the Big Data useless due to its other Vs (i.e. volume, variety and velocity).