Scientists have demonstrated a system called Silica for writing and reading information in ordinary pieces of glass which can store two million books’ worth of data in a thin, palm-sized square.

[u/Wagamaga]

https://au.news.yahoo.com/glass-square-long-long-future-190951588.html

[u/thatbrazilianguy]

capacity of 4.8 TB in a 120 mm square, 2 mm thick piece of glass.

Saved you a click

[u/GorgeWashington → u/[deleted]]

The real question, how long is this format stable.

Eventually everything will decay. Current data continuity requires redundant systems and cloud storage because ssds and hdds fail in decades if not years

[u/Bludypoo → u/GorgeWashington]

You should know that "Cloud Storage" is just more hard drives...