# Links and other details on zettelkasten * https://starry.com/blog/inside-the-internet/how-big-is-the-internet * https://verdantnation.blogspot.com/2013/09/the-science-of-scientific-reporting-we.html * https://en.wikipedia.org/wiki/Niklas_Luhmann * https://zettelkasten.de/introduction/ * https://dsearch.com/search?q=software+tools+for+zettelkasten&rid=559659 * https://zk.zettel.page/software-list