Evidently, there are still thousands of people who watch Psy’s weirdly catchy dance hit from two years ago, “Gangnam Style,” every single day. This weekend, the video received its 2 billionth view (it currently stands at around 2,003,512,353 views). The site’s second most popular video, Justin Bieber’s “Baby” will likely never catch up to Psy with its measly 1,042,096,282 views). Considering that the population of the entire planet is just over 7 billion, getting more than 2 billion views on a YouTube video, that’s most memorable feature is a horsey dance, seems like a pretty substantial accomplishment …