Facebook scored a 64 on a user satisfaction scale of zero to 100, according to the 2010 American Customer Satisfaction Index (ACSI) Wikipedia had a satisfaction rating of 77. YouTube came in second with a 73; Facebook and MySpace were the two lowest-scoring sites out of all of them. Google may be suffering from trying to be too many things to too many people, the ACSI report noted. Google still edged out its main search rival, Microsoft’s Bing, which had a rating of 76.”]
Source: https://www.csoonline.com/article/2125470/facebook-user-satisfaction–abysmal-.html