When the women enter the internet, they learn that movement is controlled by a series of sparks. Yvonne (Robyn Daniels) coins the phrase "Spark Rider" when she finds herself in a video game.
No, NEO (Keanu Reeves) came into the Matrix after people were already there. It is similar to when MORPHEUS (Laurence Fishburne)entered the Matrix. It is the first time that anyone has done it.