STUFFS ENTREPRENEUR Tuesday, May 8, 2012 Store your 450GB data on an A4 size paper: THE RAINBOW TECHNOLOGY Rainbow Storage  is a developing  paper -based  data storage  technique first demonstrated by Indian student  Sainul Abideen  in November 2006. Abideen received his  MCA  from  MES Engineering College  in Kuttipuram  in  Kerala 's  Malappuram  district.