其实懂技术有adobe illustrator （可以去下载7天免费） 的可以跟着这个视频玩玩,马上真相大白。

step1: download the certificate from www.whitehouse.gov/sites/default/files/rss_viewer/birth-certificate-long-form.pdf
step2: open the certificate in adobe illustrator
Step3: follow the instruction of the vedio