Hopefully this takes off
Any conversation
time.fyi/timezones is the most intuitive interface to working with different time zones I have used.
Economist Lant Pritchett describes shifts in ideas as silly, controversial, progressive, then obvious.
Also:
"Radio has no future. X-rays are clearly a hoax. The aeroplane is scientifically impossible." - Lord Kelvin
". No wireless. Less space than a nomad. Lame." - CmdrTaco

