The Knowledge Graph is designed to match intent with answers. What Google's Hummingbird does is allow searches to be connected, with the word "it" being given more significance. Read more...
Now, if I ever feel the urge to buy game credits, products through a Facebook-hosted shop or anything that requires me to use real money I will resist the urge. I don't trust it and I never will.
This is just the beginning. We are probably but a few years away from being able to engage socially on the TV with other viewers of programmes.
Ralf VanSosen of LinkedIn: Our rule of thumb is never connect with anyone unless you know that they know you well enough that they will connect you to one of their acquaintances
So here we have a marketing company effectively promising to tell people how to ruin the whole ethos that is LinkedIn.