Misc: Who's brother pulled strings to get her her first movie role?

Questions

Construction workers hard hats were first invented and used in the building of the ---------- Dam in 1933.?

Did you know you share a birthday with at least ---------- other people in the world??

Each year there is one ton of ---------- poured for each man, woman and child in the world.?

---------- is a registered trademark of Xerox, ?

Ethernet is a registered trademark of---------- , ?