Wearable technology offers further feedback on the 'facts' of wellbeing, while people are increasingly viewed as unreliable narrators of their own lives.
"I'm not going to characterize them as reliable or unreliable," he said.
Memory is a strange and unreliable thing, shaped often by a vignette, captured in a scent, a sound, a shard of emotion rather than factual detail.
Such critics plainly think Mr Farage is too divisive and unreliable to deliver a majority to get the UK out of Europe in a referendum.
In the mid-1970s, electrinity in rural China was scarce and unreliable, with less than half of the country hooked up to the grid.
29 June 2011: Independent forensic report ordered by the appeals court finds much of the DNA evidence used to convict Knox and Sollecito is unreliable.
The state's supreme court rejected a last-ditch appeal by Davis's lawyers over the 1989 murder of off-duty policeman Mark MacPhail, despite overwhelming evidence that the conviction is unreliable.
Though national data on police shootings is unreliable, a 2013 study estimated that at least half of all people shot and killed by US police have mental health problems.
That memory, like so much else, is now fading in middle age, becoming limited to a means of recalling what I've read, but an otherwise unreliable, even capricious, tool for much else.
The doctors conclude: "HIAs, as carried out by IHMS, are not fit for purpose and unreliable.
In other words, these are crude estimates based on unreliable data – and several years out of date.
