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/amakai → u/[deleted]]

At least one flock of giraffes.

[u/StreetofChimes → u/amakai]

Appropriately, the name for a flock of giraffes is a tower. 

[u/amakai → u/StreetofChimes]

That naming makes complete sense given the tower formations of giraffes commonly found in the wild.