Our roving video reporter Rex Moore recently visited a real cloud in order to highlight the investing opportunities involved. Now, Rex digs deeper into the stocks involved in a five-part series with cloud expert Max Keeler. Today's installment looks at the state of storage. Solid-state memory specialists like Fusion-io (UNKNOWN:FIO.DL) and OCZ Technology (UNKNOWN:OCZ.DL) are pushing out traditional hard-drive makers. What does this mean for investors? 

Rex Moore has no positions in the stocks mentioned above. Max Keeler has no positions in the stocks mentioned above.The Motley Fool owns shares of Fusion-io and Western Digital. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.