Bara brith its Wales-based stores. Complaints were issued in the press, but the company insisted that the bread was removed because of lack of sales. A survey conducted by British supermarket chain Sainsbury's in 2006 showed that 36% of teenagers in Wales surveyed had never tried bara brith. When responses across the UK were viewed, some 85% of teenagers had never tried the traditional Welsh bread. Celebrity chef Phil Vickery cooked bara brith in Brynsiencyn, Anglesey, in 2011 for a segment on the ITV television series "This Morning". He used a traditional recipe which had been handed down to local chef Nerys
Perekrestok (supermarket chain) connected. In November 2017, X5 introduced machine learning to bolster targeted marketing at the Perekrestok supermarket chain, and developed personalised offers for all members of the Perekrestok Club loyalty program. The company leverages machine learning to group customers into segments based on common features and create offers for them. The system analyses groups of customers and designs personalised marketing campaigns based on demographic and several hundred behavioural factors, such as: frequency of purchases and ticket size, customer preferences, lifestyle fundamentals, acceptable price levels, favourite product categories and preferred shopping hours. Customer sensitivity to offers is predicted using various analytical models.