The rapid development of the ETF industry has cracked the world of commodity investing wide open, allowing average investors to gain cheap and easy access to a previously hard-to-reach asset class. And while some choose to focus on a single commodity, many investors also look for more diversified exposure, or perhaps even an equity spin on the space. As the ETF industry continues to expand, investors are now able to pick and choose from hundreds of products [for more commodity ETF news and analysis subscribe to our free newsletter].