Many investors looked at Zynga (ZNGA) as a company with tremendous potential due to its enormous base of active users and possibility to disrupt other conventional gaming companies with its unique, though unproven, business model. After when the company went public, we saw a massive sell-off, and share prices plummeted. Has the company finally reached a reasonable valuation? Are today's Zynga investors in for some growth on the cheap, or has the excitement around this company faded altogether? In this video, Motley Fool tech analyst Andrew Tonner tells us the key metrics to follow to see if Zynga is a buy.