'''Many''' newcomers to [Expect] wonder about how it compares to
[Tcl].


[[explain simplicity.  Expect is just a superset of Tcl
with additional functionality in three domains.  Refer to
articles.  Point out that
[many people who think they need Expect do not need Expect].
If you can do something with Tcl, you necessarily can do it
with Expect; it's just an [extension].]]