LONDON--(BUSINESS WIRE)--Sailthru, the leader in driving customer lifetime value through personalisation, will be taking the stage at the 6th Annual Omni-Channel Retail Summit 2015 on Wednesday 4th February 2015 along with John Lewis, Virgin Media, Dixons Carphone and Pets at Home. The retailer-focused summit is a must-attend event for key decision makers and thought leaders in the UK retail industry. With a view to help brands better coordinate their omnichannel activities, the summit’s intera