Taking your spec as read:
@words = 'Enter Iago, Othello, and others' =~ m[(\b[A-Z]\w+\b)]g;;
print @words;;
Enter Iago Othello
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.