Walkers (snack foods) establishing their own sunflower farms in Ukraine and Spain to be able to produce sufficient quantities of the oil. Walkers updated their packaging style in June 2007, moving to a brand identity reminiscent of the logo used from 1998–2006. Many of Walkers brands were formerly branded under the Smiths Crisps name. This comes from the time when Walkers, Smiths and Tudor Crisps were the three main brands of Nabisco's UK snack division, with Tudor being marketed mainly in the north of England and Walkers in the south. After the takeover by PepsiCo, the Tudor name was dropped, and the Smiths
World Cup of Crisps winners qualifying for the quarter-finals, and the competition progressing further using a knockout system. Votes were cast on Twitter using the hashtag '#wcocr'. The second edition was expanded to include 48 types of crisp and three group stages before semi-finals and a final, and votes were cast using Twitter's new poll feature. Due to the lack of Twitter polls, no official numbers of votes were revealed in the first edition of the World Cup of Crisps. Entries in bold denote crisps that qualified for the knockout stages. The second edition began on Saturday 26 March and is set to conclude