# Welcome

> Bill Petro: historian, technologist, writer, podcaster Writes about History, Popular Culture, Tech Trends, and Travel. Contributing writer to the books Invitation to Church History, Vol 1 & 2 and Product Management to Product Leadership: The Advanced Use Cases History of the…
> URL: https://billpetro.com/
> Last modified: 2026-10-08T22:53:04+00:00

**Bill Petro:** *historian, technologist, writer, [podcaster](https://billpetro.com/podcasts/)*

Writes about [History](https://billpetro.com/history/), [Popular Culture](https://billpetro.com/pop-culture/), [Tech Trends](https://billpetro.com/tech-trends/), and [Travel](https://billpetro.com/travel/).
Contributing writer to the books *[Invitation to Church History, Vol 1 & 2](https://www.amazon.com/Invitation-Church-History-Set-Christianity/dp/0825443865/ref=sr_1_1?dchild=1&keywords=invitation+to+church+history&qid=1616789896&sr=8-1)* and

*[Product Management to Product Leadership: The Advanced Use Cases](https://www.amazon.com/gp/product/0692088512/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=billpetro007-20&creative=9325&linkCode=as2&creativeASIN=0692088512&linkId=db3be84d3d212b2595ad67b24e2cf92b)*

		
				[*](https://billpetro.com/history)
	

### [History of the Holidays](https://billpetro.com/history)

What is the history behind the holidays we celebrate, both sacred and secular? Many of the sacred holidays in our American “Judeo-Christian” heritage have secular associations, while many of the seemingly secular holidays actually have religious roots. This is the back story behind our popular holidays.

[Read Articles](https://billpetro.com/history)	
		
				[](https://billpetro.com/pop-culture)
	

### [Popular Culture](https://billpetro.com/pop-culture)

Featuring reviews of **movies**, **concerts**, and **theatre**. I write movie reviews as soon as I see them, which is usually the day they come out (or before). Reviews of Star Wars and Star Trek movies, Lord of the Rings, James Bond, and Harry Potter films, rock and jazz concerts, and theatre reviews.

[Read Articles](https://billpetro.com/pop-culture)	
		
				[](https://billpetro.com/tech-trends/)
	

### [Tech Trends](https://billpetro.com/tech-trends/)

Articles about current and future technologies and their possible implications. Discussions about Apple iPhone *and* Apple Watch* and innovative technologies from other companies: social media, payment systems, personal data backup, etc.

 

[Read Articles](https://billpetro.com/tech-trends/)	
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