which maps URIs to data. The URIs are relatively short ascii strings
(currently about 140 bytes), and each is used as a reference to an immutable
arbitrary-length sequence of data bytes. This data is distributed around the
-grid in a large number of nodes, such that a statistically unlikely number
+grid across a large number of nodes, such that a statistically unlikely number
of nodes would have to be unavailable for the data to become unavailable.
The middle layer is the virtual drive: a tree-shaped data structure in which