Popularity isn't always a good proxy for quality. Some much-talked-about companies have been terrible businesses, while some little-known corporations have delivered market-beating returns.However, sometimes quality and popularity go hand in hand. That's the case with two stocks that are among the top 100 holdings on the versatile investing app Robinhood: Alphabet (GOOG 0.97%) (GOOGL 0.95%) and Netflix (NFLX 2.39%). Read on to discover why these two famous tech giants are excellent "forever" picks.1. Alphab ...