Privacy economist Alessandro Acquisti has run a series of tests that reveal people will surrender personal information like Social Security numbers just to get their hands on a pitiful 50-cents-off coupon (优惠券).
主干：Alessandro Acquisti has run a series of tests...
Privacy economist 和 Alessandro Acquisti 是同位语。tests后的that从句作tests的定语，该从句的谓语动词reveal带有一个宾语从句people will surrender...。
译文：隐私经济学家Alessandro Acquisti 进行了一系列的测试，这些测试表明人们会透露像社保卡号这样的个人信息，就只是为了能拿到微不足道的便宜50美分的优惠券。