Ask HN: What Are the Best Current Methods to Delete Yourself from the Internet?

For those of us interested in dropping off the grid, what are the best current methods of removal of information from search engines and servers that host information about you, whether known by you or not? How could these methods be improved upon to increase the coverage of erasure? And what do you think the future of personal identify cleanup will look like, or will it even be possible after a certain point?