What is an EIN? Employer Identification Numbers Explained

If the business is just me, do I need an Employer Identification Number? Is an FEIN, EIN, Federal Tax ID the same thing? I obtained an EIN with my sole proprietorship, can I use it for my new LLC? Where can I get an EIN and how long does it take?
We're going to demystify the EIN in this episode, but if you'd like to get an EIN from BetterLegal, we can help with that too at betterlegal.com