The title is simply false. I read the article and it does present interesting history from the browser wars. However, any cursory glance of web server logs will

The title is simply false. I read the article and it does present interesting history from the browser wars. However, any cursory glance of web server logs will show that sometimes the user agent string is blank, or it starts with "MobileSafari" or "UrlTest." The user agent string is client generated and can be anything the client wants.