DNA testing for genealogy continues to improve. If you had some of your Koepka relatives tested several years ago, it may be worthwhile to have them retested. Likewise, as DNA testing companies have gathered more results and samples, you may be able to find more matches if you search again with your test results.
2003-06-30: the World Wide Web was invented by Tim Berners-Lee and Robert Cailliau in 1990. In 1989, while working at CERN (the European Organization for Nuclear Research), both men made proposals for hypertext systems. In 1990 they joined forces and wrote a joint proposal in which the term World Wide Web is used for the first time (originally without spaces).
Weaving the Web - the book. Tim Berners-Lee invented the World Wide Web in 1989. He founded and Directs the World Wide Consortium (W3C) the forum for technical development of the Web. He founded the Web Foundation whose mission is that the WWW serves Humanity, and co-founded the Open Data Institute in London.