Can you imagine what it would be like to handle $16 billion? I can barely decide which restaurant to spend my lunch money at, let alone make a $16 billion purchase. That's exactly what Facebook did this week when it acquired popular messaging application WhatsApp. Our own Evan Selleck made some interesting observations about the deal this week related to how our texting habits have changed and how third-party messaging apps could be the preferred method of communication for many people. Now I want to find out what you think. Listed below are some of the top messaging apps of today, and I want to know which one you think is the best. Take our poll and help us answer, "Which messaging service do you prefer?"