We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Annie Chou Annie Chou is a writer covering home office, cameras, and games.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Investopedia / Matthew Collins Reference numbers commonly include random numbers or letters ...

Do you know which board game has 40 spaces? What pro sports teams have 40 players? Upgrade your knowledge about the number 40 here. Forty. When it comes to age, the big 4-0 is legendary—that milestone ...

How does WhatsApp use your phone number? That’s a question on people’s minds as the messaging giant continues to dominate mobile devices. As a Facebook-owned entity, privacy-conscious people wouldn’t ...

This inscription, written in Old Khmer, reads “The Caka era reached year 605 on the fifth day of the waning moon.” The dot (at right) is now recognized as the oldest known version of our zero. Amir ...

Adam Barone is an award-winning journalist and the proprietor of ContentOven.com. He has 5+ years of experience as a content strategist/editor. Robert Kelly is managing director of XTS Energy LLC, and ...

Giving up your personal phone number to telemarketers or during transactions on Facebook Marketplace and Craigslist isn't ideal. Instead of divulging private details to people you don't know, you can ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s been nearly six years since math devotees discovered the last ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Once you’ve installed SQLite, you’ll probably want to learn how to maneuver around the ...