New ask Hacker News story: Ask HN: How to store your data for 200 years?

Ask HN: How to store your data for 200 years?
4 by dnqthao | 6 comments on Hacker News.
Let's say that I want to store my data for 200 years so that my great-great-great grand children can access it. The data I want to store include: images, text, videos. What should I do?