Companies that thrived in the UK recession - theme activity

The UK recession had many losers, but some winning businesses and industries too.

Can you identify any themes in this ist from MSN Money? The link has a brief write-up on each, although they lack in genuine analysis they might serve as a starter activity:

-Sky TV
Apple
ASOS
Blackberry
Butlins
Cinemas and Bingo
Cash-for-Gold
Dominos
Halfords
Aldi and Lidl
McDonald’s
Mothercare
Ann Summers
Love Online
Poundland
Tesco
Savile Row