Part of the value is the reward, which has a delivery date, but the most compelling rewards draw the backer into the experience.

FORBES: Kickstarter: Dream Maker Or Promise Breaker?

The UN's reason for naming a symbolic date as seven-billion day is to draw attention to the speed of population growth, with less than 13 years having passed between the six-billion and seven-billion milestones.

BBC: The world at seven billion

Paul was calling to check my interest in an assignment: predict the future of customer service in light of Gen Y and social media and then, draw a line in the sand in the form of the date by which this new service model should be in place.

FORBES: Missing: Gen Y