Kayak adds fare forecasts to flight results, tells you if you should buy now or wait

Skift Take
It was a great idea when Farecast did it in 2006. Did Kayak wait so long because it didn't want to appear to be a mere follower?
Kayak added fare forecasts to its flight-search results -- more than six years after Farecast, acquired by Bing in 2008, introduced the concept.
When you conduct a flight search on Kayak's global sites Kayak now predi