Skill number one - the ability to take my camera anywhere with me.
Second was the beautiful green tiled frontage of The Heart & Hand in North Road in the North Laines advertizing United Ales and Stouts which was actually The Portsmouth & Brighton United Breweries Ltd. I did go in to this quaint characterful pub and had a lovely pint of Harveys Sussex Best, which almost matched the tiles.
There are plenty of other examples in Brighton, as can be seen here. They are all for another time. The photographs aren't mine, but borrowed from the aforementioned site.