Here is the scenario –
You find a map that tantalizingly promises a treasure of untold wealth.
You follow the clues, battle through the obstacles and finally reach your goal!

Only to find that the prize is of no worth!
DAMN!

I find the story of Friendster both funny and educational.
It was first to market in the now popular social media space, but squandered the opportunity by not being a reliable service and not engaging it’s users enough to keep them. Read more about this here

Friendster let it’s position slip and MySpace took over.

Ahhh, MySpace.  Remember that site?