From mobile apps to changing your address: Why loyalty cards aren't working for everyone | ITV

Which? has raised concerns that certain groups of people are being "excluded" from accessing lower prices offered by major retailers' loyalty schemes. • Subscribe to ITV News on YouTube: http://bit.ly/2lOHmNj • Get breaking news and more stories at http://www.itv.com/news Follow ITV News on Facebook: https://www.facebook.com/itvnews/ Follow ITV News on Twitter: https://twitter.com/itvnews Follow ITV News on Instagram: https://www.instagram.com/itvnews/