Though the peak period begins at 9am, bitly advises you to wait to post until 11am and think twice about posting after 4pm, when traffic from Facebook fades.

FORBES: What Are The Best Times To Share On Facebook and Twitter?

Under the proposed legislation European gas companies would be required to ensure supplies to householders in cases of extreme temperatures during a seven-day peak period, or during any period of at least 30 days of exceptionally high demand.

BBC: MEPs pass law to protect European gas supplies

The report looked at the extra travel time for peak period travel during 2003 divided by the number of travelers who began a trip during the peak period (6-9 a.m. and 4-7 p.m.).

FORBES: ? AP Photo/Don Ryan

This is based on the way the climate behaved about 20, 000 years ago, at the peak of the last ice age, a period when carbon-dioxide concentrations leapt.

FORBES: Climate Change Is Now Less Of a Problem. So We Need To Do Less About Climate Change

If Time Warner Cable can successfully regain market share at 2006 peak levels by the end of our forecast period, it could signal 13% upside to our current price estimate.

FORBES: Time Warner Drops To $55 For Starters As Cord-Cutting Trumps The Triple Play

In a 20-year period, Cape ostrich feathers tripled in value, and at their peak their price per pound was almost equal that of diamonds--in hindsight, a sure sign of a bubble economy.

FORBES: The Ostrich Feather Crisis

For example, spreading the same number of journeys over a greater period of time through trading across may well bring the benefits of easing congestion at peak times, but roadside residents will not be grateful when traffic noise and vibration start earlier in the morning and continue through the night.

ECONOMIST: Excessive

In the peak period from 1906 to 1910, the warming effect of the industrial soot throughout the Arctic was estimated at eight times that during the pre-industrial period.

BBC: Human activities have left a visible mark on the Arctic