Here is the extended segment on Wi-Fi concerns in schools aired on Channel 7's Today Tonite program on Tuesday 1st July. Consequently it is important to use hardwired, cabled options to obtain internet connectivity; use a corded phone whenever possible; turn off the Wi-fi option on the printer; and text, SMS or use an earpiece when using your mobile phone. For more tips on how to reduce your exposure, refer to www.buildingbiology.com.au