Britons are planning to spend GBP24.4 billion on Christmas gifts this year, according to research from RadiumOne. On average, people are expected to spend about GBP489 with 25- to-34-year-olds spending the most. The report also said 45% plan to research and buy presents online while 13% said they will do both research and shopping in-store. Nearly 25% of online Christmas shoppers said they will use at least two devices to make their purchases. 72% of respondents said they preferred the desktop.