When it comes to using a smartphone or tablet (or any computer, for that matter), no one is immune to the magnetic pull of games and other time-wasters. We each have our weakness or weaknesses – Angry Birds, maybe, or Words with Friends.

Busy, high-powered business executives are no different. And today, they share their personal addictions with the rest of us.

As part of a special "App Report" that appears today in the Jan. 10 print edition of the Puget Sound Business Journal (a sister publication of TechFlash), we surveyed several executives to see how they use their mobile devices – for both business and personal purposes.

All week we've run their answers to app-related questions. We've already reported on the apps they use most often for business purposes and for day-to-day living. We've laid out how much they're willing to spend on apps. Today we focus on their favorite time-wasters.

The group we surveyed includes executives drawn from responses to an email blast we sent to dozens of people. In case you notice the lack of women on the list: We sought out a number of women, and unfortunately none participated.

The group:

Spencer Rascoff, CEO of Seattle-based online real estate site Zillow, uses the Apple iPhone 4S on AT&T and the Android-based Samsung Galaxy Nexus phone on Verizon.

Greg Rankich, CEO of Redmond-based IT and business services firm Xtreme Consulting Group, uses the iPhone 4G.

Blake Cahill, president of Seattle-based social media ad agency Banyan Branch, uses an iPhone and iPad.

Pete Shimer, managing partner of the Seattle office of audit, financial advisory, tax and consulting firm Deloitte, uses an iPhone 4 and an Amazon Kindle.

Steve Jones, CEO and partner of Bellevue-based IT consultant firm Explore Consulting, uses an iPhone 4s.

Jim Copacino, co-founder and creative director of Seattle-based ad agency Copacino+Fujikado, uses an iPhone and iPad.

Marc Williams, president of Seattle-based ad agency Williams Helde Marketing Communications, uses an iPad2 and iPhone4.

Dan Voetmann, owner and CEO of Mountlake Terrace-based ad agency Destination Marketing, uses a Motorola RAZR phone and an iPad.

Today’s question: What app is the biggest time waster you're addicted to?

Rascoff: Do you consider Twitter a time-waster? I don’t, but many people do.

Rankich: Bloons Tower Defense 4 (a combat game).

Cahill: ZombieFarm (“Tired of killing zombies? Try farming them.”).

Shimer: Word Scramble.

Jones: Currently, Free Pinochle! If you know how to play, you must.

Copacino: Paper Toss.

Williams: I feel a constant need to check Facebook updates, find out the weather in five cities, and read restaurant reviews.

Voetmann: YouTube is the easiest to get sucked into for me. I play music and when looking for different versions of songs it is easy to get sucked down the rabbit hole.