Why tech Firms flock to expensive cities? Why tech Firms flock to expensive cities?

In a group of seagulls, there was a young one who felt he was stronger than the rest. In a group of seagulls, there was a young one who felt he was stronger than the ...

There are 3 billion birds on the island but only one matter to him. There are 3 billion birds on the island but only one matter to him.