There is no "era" of simple, focused, concept-driven identity design. There is only design that grows out of understanding audiences for specific problems, and that evolves from an idea. This is an approach that does not depend on any specific time period or its technology.
Ivan ChermayeffA good trademark, whether a word mark or a symbol, is devoid of fashion or trend, which makes it potentially iconic if it's seen for long enough in the right places.
Ivan ChermayeffGood design should follow looking into the products and reputation of clients who approach you, but this does not mean you have to follow them into bed.
Ivan Chermayeff