Financial Freedom Calculator

The freedom calculator calculates the number of “freedom days” per year your retirement savings would provide at your current spending level. How close are you to 365 “freedom days” each year (where you’d have enough money to retire)?


Steve Jobs iPhone introduction wordcloud

My latest “visualization” is a wordcloud of Steve Jobs’ keynote address when he introduced the iPhone in 2007. (more…)

Bay Area Air Quality from Napa and Santa Rosa Fires

The fires in Napa and Santa Rosa California have been burning for about a week and a half so far and these fires have resulted in numerous deaths (with many more missing), significant property damage (over 4000 buildings), and forced the evacuation of tens of thousands from their homes.  Luckily, these fires are mostly contained at this point with incredible work from firefighters and as well as from the weather (link to fire status on the CalFire’s websites on the Tubbs, Atlas, Nuns fires).