- History of World Tai Chi Day
- History of Earth Day
- History of the Marathon
- History of April 19: Why it's Significant
- Apple Watch: First Impressions and Pictures
These are the blogs of Bill Petro, hi-tech sales enablement and marketing executive:
History of the Holidays: articles on American holidays, secular and sacred.
Culture Vulture: reviews of movies, concerts, and theatre.
Tech Trends: emerging technologies: cloud, virtualization, mobile, and social media.
Info Exponential: how information is created and its exponential growth.
Ignorance Abroad: stories and photos from two million miles of adventures abroad.