2. Google 大神
• Google spends about 0.0003 kWh of energy on
an average search query
– One search equals turning on a 60W light bulb for
17 seconds
– people conduct over a billion searches a day ...
– 0.0003 x 10^9 = 300000 kWh (per day)
•
“When we hit the Google search button,”
“it’s not for free”