Online retail sales are predicted to top £1 billion in a single day for the first time ever in the UK during this year’s Black Friday. Spending is expected to jump by almost a third this coming Black Friday on Friday 27 November to £1.07 billion compared to last year when £810 million was splashed out by shoppers – and it’s been put down to increased consumer awareness of deals offers by retailers in the run-up to Christmas. The figures have been…