Have you ever noticed the Power Button (On/Off Switch) in your computers, and electronic devices?
You would find below symbol which are normally known as Power Button (On/Off Switch). Technically, this symbol was used to denote Standby and not for Power. This was wrongly used by all leading manufacturers.
In order to resolve this ambiguity, IEEE made some corrections to the symbols and introduced a new symbol called Crescentin 2004.
According to IEEE,
Bonus: Microsoft still using the old Power Symbol for shut-down in Windows 7. FAIL
Zettabyte Era is appraching. It is estimated that we will reach Zettabyte era in the last quarter of 2015.
CISCO has published a very interesting infographic on this.
2011: By the end of the year there will be more networked devices than people on earth.
2011: Digital screen surface area will reach 1 square foot per capita.
2015: There will be twice as many networked devices as people on earth.