Figure 3.
Virtual environments: supermarket (a), shopping street (b), and café (c). Source: CleVR BV, Delft, The Netherlandd.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.