To do list

Library:
Find books on psychology of age/colour
Look at magazines like Creative review and get inspiration for good design
See if there is anything on Channel4 channels eg. More4, E4 etc. look at how they advertise
look up words in the dictionary that start with "for" and "four"

Review group:
Arrange interviews with a mixed group of people aged 60+
See what channels they watch the most
What programmes they enjoy

TV:
Look at Channel4 stations on TV at the minute
Look at their indents
How does their logo reflect the audience they target
Look at other TV stations eg. BBC, ITV, Ch5 etc.

Website:
See how they advertise online
Look at 4OD
See if an older audience watch programmes online