laser,maser

A "maser" produces microwaves instead of visible light. and preceded the
laser by several years.
http://books.google.com/ngrams/graph?content=laser%2Cmaser&year_start=1950&year_end=2008&corpus=15&smoothing=0&share=

managed decline

Crops up in Wikipedia articles about retail products, EG:
http://en.wikipedia.org/wiki/Woodpecker_Cider

Seems to mean that the product is still available but it's not being pushed.
http://books.google.com/ngrams/graph?content=managed+decline&year_start=1950&year_end=2008&corpus=15&smoothing=1&share=

DVD

http://books.google.com/ngrams/graph?content=DVD&year_start=1990&year_end=2008&corpus=15&smoothing=1&share=

digital camera

http://books.google.com/ngrams/graph?content=digital+camera&year_start=1988&year_end=2008&corpus=15&smoothing=1&share=

photograph

http://books.google.com/ngrams/graph?content=photograph&year_start=1820&year_end=2008&corpus=15&smoothing=1&share=

computer

http://books.google.com/ngrams/graph?content=computer&year_start=1900&year_end=2008&corpus=15&smoothing=1&share=

electronic

http://books.google.com/ngrams/graph?content=electronic&year_start=1900&year_end=2008&corpus=15&smoothing=1&share=

social worker

A creature of the twentieth century
http://books.google.com/ngrams/graph?content=social+worker&year_start=1800&year_end=2008&corpus=15&smoothing=1&share=

social enterprise

Not a modern term at all.
http://books.google.com/ngrams/graph?content=social+enterprise&year_start=1800&year_end=2008&corpus=15&smoothing=1&share=

yeah whatever

This phrase attributed to insolent teeenagers appears to be very recent.
http://books.google.com/ngrams/graph?content=yeah+whatever&year_start=1990&year_end=2008&corpus=15&smoothing=1&share=

workfare

The word http://en.wikipedia.org/wiki/Workfare is fairly new but the idea is
ancient. See for example http://en.wikipedia.org/wiki/Workhouse

http://books.google.com/ngrams/graph?content=workfare&year_start=1950&year_end=2008&corpus=15&smoothing=1&share=

The rise and fall of the "housewife"

http://books.google.com/ngrams/graph?content=housewife&year_start=1700&year_end=2008&corpus=15&smoothing=1&share=

Household Reference Person

This term is a replacement for Head of the Household used in surveys, etc.

See also http://www.bbc.co.uk/news/magazine-21698533
http://books.google.com/ngrams/graph?content=household+reference+person&year_start=1970&year_end=2008&corpus=15&smoothing=1&share=

boob

http://books.google.com/ngrams/graph?content=boob&year_start=1650&year_end=2008&corpus=15&smoothing=1&share=

above my pay grade

http://books.google.com/ngrams/graph?content=above+my+pay+grade&year_start=1970&year_end=2008&corpus=15&smoothing=1&share=