Methodology v1.0
3 change(s): 1 critical, 2 major | Durability score reduced due to product discontinuation and permanent service shutdown, rendering hardware non-functional despite physical integrity. Material quality appears moderate based on consumer reviews but product longevity is severely compromised by company decision to kill cloud services. Brand reputation signal significantly damaged by abrupt discontinuation without adequate forward notice or migration path, leaving customers with non-functional hardware. Nest Guard hardware still physically operates but cannot function as a security system without cloud connectivity.