Well, it鈥檚 happened. Google has launched a mobile service, and it鈥檚 called Project Fi. It lets you jump from WiFi to T-Mobile or Sprint鈥檚 cell towers seamlessly, ensuring that you鈥檙e always getting the best connectivity and service in more locations. But that鈥檚 not all it鈥檚 doing. Read on to get the full scoop.

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1. Seamless Service Surfing: Whether you鈥檙e connected to a coffee shop鈥檚 WiFi or you鈥檙e in a 3G/4G area, as we鈥檝e mentioned, Project Fi will connect you to whichever signal is stronger without missing a beat. They鈥檙e doing this by using T-Mobile鈥檚 and Sprint鈥檚 services, and we鈥檙e hoping they鈥檒l add more in the future. And, of course, you can make calls and text over WiFi too.

2. Connect Across Devices: With Project Fi, your phone number lives in the cloud. That means it鈥檚 not just for your phone anymore. You can call from your phone number using your laptop, tablet or phone.

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3. Pay Per GB: To start, the plan costs $20 per month. You can add data 1GB at a time for $10/GB (WiFi data is free). That covers unlimited talk and text, free international texts and low-cost international calls. You can hop on or off your plan at any time; there are no annual contracts. They鈥檒l even pay you back in credits if you go under your data usage for the month. If you go over, there鈥檚 no extra fee. They just charge you for the excess data that you used.

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4. Only Works on Nexus 6: For now, Project Fi is just that 鈥 a project. So you can only sign up using the Nexus 6 for the time being. The Nexus 6 is Google鈥檚 flagship smartphone for Project Fi and the new Nexus 6 SIM card already works with the service-hopping capability. If you already have a Nexus 6, you鈥檒l still need to let Google know that you want to use Project Fi and they鈥檒l send you a new SIM card that supports more network types for service hopping.

5. No Family Plans, Yet: During this experimental phase, you don鈥檛 get any bulk discounts for joining Project Fi, which means it may not make financial sense to make the switch, unless you鈥檙e riding solo on the bill. We鈥檙e hoping this changes soon, though.

If you want to be a part of this new kind of cell service, you can request an invite to the Early Access Program. Once Google verifies they provide service in your area, then you鈥檒l get an invite in the coming weeks as they start to roll them out.

Have you hopped on the Google bandwagon? Let us know what you think about Project Fi in the comments!