Customer satisfaction with social media sites has dipped by 1.4% year-over-year to a score of 69 on a 100-point scale, according to the American Customer Satisfaction Index (ACSI). The industry scores among the lowest, with only airlines,subscription TV, and newspapers faring worse.Google+ takes top honors among social media sites for customer satisfaction, with a score of 78, tied with Wikipedia. By contrast, Facebook is the lowest-scoring of social media sites in customer satisfaction, and suffered the largest decline in customer satisfaction, plummeting 8% to a 61 score. Google’s YouTube ranked third with a 73 score – a marginal drop compared to last year’s 74. Pinterest debuted with a score of 69, ahead of Twitter (64). LinkedIn, at 63, was just 2 points ahead of Facebook. Read the rest at MarketingCharts.