Don't forget about forgetting.
The Internet is fragile.
Don't let your design make promises you can't keep.
Presumably man's spirit should be elevated if he can better review his shady past and analyze more completely and objectively his present problems.
Did you work at Sellafield in the 1960s, 1970s or 1980s?
Were you by chance in the job of disposing of radioactive material?
If so, the owners of Britain's nuclear waste dump would very much like to hear from you: they want you to tell them what you dumped -- and where you put it.
Everything should have a history button.
You can't even remember what I'm trying to forget.