After 'The 4-Hour Work Week,' the wider world thinks I'm obsessed with time management, but they haven't seen my true obsession: physical optimization.

I've recorded almost every workout I've done since age 18. Since 2004, I've been tracking everything from complete lipid panels, insulin, and hemoglobin A1c, to IGF-1 and...

If not in 2010, then when? (Photo: jphilipson)

The video case studies that I asked for in the last post really caught me unprepared.

I...am...so happy that it's hard to put it into words.

From Denmark to India, from college students to...

Here is my most recent keynote from the 2,000-person+ Le Web in Paris, which focused on how to catalyze a global phenomenon on a very limited budget. Topics include:

• How to sell "around the product" for more coverage.
• The three necessary types of media exposure.
• Real-world tipping points from the...

This is a continuation of the Random series. Past episodes include language learning, start-up advice, must-read books, and more.

Random - China Episode 2 Part B from

Tim Ferriss on Vibram Shoes from Kevin Rose on Vimeo.

"The human foot is a work of art and a masterpiece of engineering."
--Leonardo Da Vinci

"OK, dude,...

Bueller? Bueller? Quantifying results need not be boring. Keep it simple to keep it interesting... and actionable. (photo: foundphotoslj)

Have you really seen ROI from Social Media?

Social media marketing! Twitter consultancies! Conversational communications! Oh, these are exciting times.

It seems like everyone and their...

In this video, Kevin Rose -- founder of Digg and others -- and I talk about how we invest in other companies as "angels" and how we choose names for companies. Topics include:

-How to test company or product names using Google AdWords
-Kevin's criteria...

I recently did a Google search for my own name (as any good narcissist or paranoid will do), and I found an article on Problogger.net titled "Timothy Ferriss vs. Gary Vaynerchuk".

The topic was a good one: opposite ends of the social media spectrum. Is it better...

Many a false step was made by standing still.
-Fortune Cookie

Named must your fear be before banish it you can.
-Yoda, Star Wars: The Empire Strikes Back

RIO DE JANEIRO, BRAZIL

Twenty feet and closing.

"Run! Ruuuuuuuuuun!" Hans didn't speak Portuguese, but the meaning was...

"Those who can give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety."
--Benjamin Franklin

This is the most important and...

Is that a woman or a 12-year old drinking beer? I don't know, but they're happy about it.

Denmark has recently emerged as the world's happiest country, beating out Bhutan, the long-time favorite of anthropologists everywhere.

The birthplace of LEGO -- a contraction of...

Branding is no longer for Fortune 500 companies and Madison Avenue agencies with excessive budgets and inadequate tracking.

Personal branding is about managing your name -- even if you don't own a business -- in a world of misinformation, disinformation, and semi-permanent Google records.

Going on a date?...

I love fast cars. Enter the Audi R8 supercar. OMFG.

I get a massive amount of e-mail -- almost 300 per hour at one point during major media -- which is why I outsourced my inbox in the first place to virtual...

I'll cover my head in shame: I only discovered keyboard shortcuts about a year ago. There, I said it.

Here are a few shortcuts that take out excessive mouse use and -- cumulatively over thousands of computer movements per week -- save hours and hours.

There a million...

I once went almost five days without sleep in 1996 just to see 1) if I could make a week (I couldn't), and 2) what the side-effects would be.

I was a new neuroscience major at Princeton at the time and hoped to do research with famed serotonin pioneer,...

Editor's note: This is a guest post from Leo Babauta, who writes about simplicity and productivity on his blog, Zen Habits.

I don't know about you, but I get dozens -- if not hundreds -- of emails a day.

Unlike most people, however, I'm able to process...

Men, please take this as the verbalization of fantasies I know everyone of you has had. Ladies, take this as an inside look at the hardwiring of the male mind...

Perhaps I've been watching too many mating battles on Planet Earth, but I'm beginning to think (once again) punching...

Guess who won?

Indians have founded more engineering and technology companies in the U.S. during the past decade than immigrants from Britain, China, Taiwan and Japan combined (Source: Where The Engineers Are, Vivek Wadhwa, 2007).

Incredible.

The entrepreneurial abilities of Indians...

What is the true cost of your commute? One example comes from 4-Hour Work Week reader Troy Gardner, who recently wrote to me:

I'm still work focused (I like creating things!), but since I control my time/location, I'm reaping some of the rewards of being...

The menu in the Slovak Republic: full-contact video below.

Long time no see! I just landed back in CA from a long overdue mini-retirement through London, Scotland, Sardinia, Slovak Republic, Austria, Amsterdam, and Japan.

Some unpleasant surprises awaited me when I checked...