a red) detector would be a few tens of kilobytes. A picture from a surveillance camera would typically be 40 or 50 kilobytes. As with corporate M2M these exchanges may be event driven or periodic. Images used as evidence in court need to be digitally water marked and audit trailed to minimise the risk of being challenged. Specialist M2M includes devices that are capable of working in extreme conditions including heat (-30 to +80 degrees), water and dust and capable of withstanding shock or continuous vibration. Low-cost cellular modems are not always suitable for these applications. There are a number of vendors that service this market, for example KoreTelematics in the US and TDC in the UK. There is obvious overlap between corporate and specialist user markets and commonalities in terms of need and requirement. 1 http://www.neul.com/products.php. 2 http://www.vianet.co.uk/. 3 www.arkessa.com. 4 http://www.aeris.com/. 5 http://www.koretelematics.com/ Network Software - Energy Management and Control 18.4 Consumer M2M Consumer M2M applications are different from corporate and specialist M2M in that the application spend is justified on the basis of entertainment and/or personal convenience. Getting a kettle to tell a teapot that is has reached boiling point might be entertaining but is not necessarily useful, though might be in special circumstances, for example making life easier and safer for home owners with sight disability. Verizon in the US have a home automation portal called 'Control Point' that links WiFi with their LTE network to provide remote management of home security, lighting, heating, air conditioning and 'connected intelligent furnishings' (whatever they may be) from a smart phone, useful I suppose for people who own multiple homes and/or go on holiday a lot and/or don't get on with their neighbours. Similarly, moving higher-bandwidth data around the home when you are in it offers un- deniable potential both from a user-experience perspective and in terms of delivering new consumer product differ