Makes it easier to express many kinds of data that require significant kludging to fit in a relational database. Certain kinds of searches that are very difficult in a relational database (i.e., any search where relationships between different kinds of data are important) are very quick and easy. Easily allows for new kinds of data. Very well suited to the irregular, complex data involved in mapping the “real world.” - See more at: http://www.texasenterprise.utexas.edu/2014/08/14/innovation/your-database-so-retro-old-data-new-databases#sthash.lDyTNkA5.dpuf