Say it isn't so. Various news organizations have recently reported that on occasion the Subway sandwich chain's $5 footlong measures 11 inches instead of 12 — as advertised. Sure enough, the bacon, lettuce and tomato jewel we bought Friday fell a little short.
The point is, things may not always be exactly what they seem and — perhaps more precisely — we already know that. We go on.
This much is true: We live with half-truths — of varying kinds and sizes. A year is not always 365 days. A billable hour is not necessarily 60 minutes. Pluto isn't precisely a planet.
Source: 12 Half-Truths We Live With : NPR