Entrepreneurs: Ignore all the talk of bubbles

(Editor’s note: Brad Feld is an early stage investor and co-founder of Foundry Group. This story originally appeared on his blog.) “Double, double toil and trouble; Fire burn, and caldron bubble.” – Macbeth Every time I hear the word “bubble” I think of that quote from Macbeth. I also think of Tulip Mania and the South Sea Company which purportedly was the source of the concept of an economic...