To target=_blank or not to target=_blank, that is the question!

Question

Should links to external sites set target=_blank? E.g. I am on www.acme.net and have a link to www.otherplace.net, should that link be:

Answer 1

Just make two buttons for your users: One to open in new tab, and another to abandon the current page in favor of the linked page.

[ www.google.com ] [Open Google in place of THIS page]