Full Title or Meme
Trust, simply put, is just the projection into the future of past behavior.
There are two ways to approach the problem of trust in computers systems.
The scientific approach
When this approach does not work the computer scientist always try to blame the users and propose educating the users. This approach never winds up meeting the goals.
The social approach to trust is exploited by con men attacking our human weaknesses every day. Creating trustworthy computer systems can not be overcome this sort of attack. One good example
Only a good user experience