- That my faith is slightly shaken; simple smoke detectors are tried and tested, this is a little more wildcard - That I've paid for a smoke detector that does

- That my faith is slightly shaken; simple smoke detectors are tried and tested, this is a little more wildcard - That I've paid for a smoke detector that doesn't do the same as was advertised when I purchased it, - That Nest have said "We're stopping these from being purchased until we fix them", not "As soon as you install it, it'll download a patch that turns off the wave feature. What's the problem?"