Planetary Interaction
Before Planetary Interaction, or PI, was introduced, there was one very large hole in the player-driven economy of EVE: trade goods. Prior to PI, trade goods were only a main stay in the lives trader, where they bought and sold trade goods in different stations for profit. As POSs were becoming more and more popular, and the fact that trade goods made up a good part of the fuel needed to run a POS, this hole needed to be filled quickly. PI was introduced to allow you to produce these trade goods from raw materials extracted from a planet's surface. PI was also an attempt to open access for manufacturing to a wider base of players in EVE. Little did we know at the time, but PI was also the first step in linking EVE space to EVE planets for the upcoming MMOFPS Dust514, which is set on the planet surfaces of EVE.
Skills for PI
PI is very much like manufacturing, in that you take raw materials and combine them to produce more advanced products, but the entire manufacturing...