Christmas fairy lights could cause slower Wi-Fi speeds, warns UK watchdog Ofcom.The regulator said wireless broadband may not be working as well and as fast as it should in nearly six million UK homes and offices due to interferences from other electronic devices.In a statement, Ofcom said: "It could be down to something as simple as interference from other electronic devices, such as a microwave oven, baby monitor, a lamp - or even Christmas fairy lights." The watchdog for UK's...
