What we didn't get from Google I/O 2015

At this year's I/O developers conference, Google offered the usual assortment of sneak peeks at software updates and new features, but some high-profile products didn't make an appearance.

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Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio products, including headphones and speakers. He's also an e-reader and e-publishing expert as well as the author of the novels Knife Music, The Big Exit and Lucidity. All the titles are available as Kindle, iBooks, Kobo e-books and audiobooks.
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What'd we miss at Google I/O 2015? Lots of stuff. James Martin/CNET

With Google's I/O 2015 kick-off event now in the books, it's time to look back and take stock of what we did -- and, more importantly, didn't -- get from Google.

Lori Grunin has the quick take on everything Google just announced, including Android M, the next version of its mobile operating system, updates to

, and a new free photo-management service called Photos. As part of that service, Android, iOS and Web users "="" photos="" and="" videos,="" for="" free"="" shortcode="link" asset-type="article" uuid="6b256516-b7b6-4f24-8089-fe500b5069a1" slug="google-photos-launches-today-with-free-unlimited-photos-and-video" link-text="can now back up and store unlimited, " section="news" title="Google Photos launches today with free, unlimited photos and videos" edition="us" data-key="link_bulk_key"> (that means up to 16 megapixels and 1080/60p video).

A few Google products rolled out in advance of the conference. There was Android Auto, with support from over 35 manufacturers, along with a development kit for its 3D-mapping and motion-sensing Project Tango tablet. And we've got a review of the just released Nvidia Shield microconsole, notable because it runs on the new Android TV platform.

But there were plenty of high-profile Google gadgets that didn't make an appearance. Here's our current scorecard of potential coming-soon products.

New Nexus smartphone

With the Nexus 6 coming out at the end of last year, Google's Nexus line of smartphones isn't due for a refresh quite yet, but we hoped we'd get a sneak peek at what Google might have in store for us, particularly with the arrival of several new Android hero phones from the likes of Samsung, LG and HTC in recent weeks. The latest rumors put a pair of Nexus phones on deck for later this year.

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No successor to the Nexus 6 has been unveiled. James Martin / CNET

New Nexus tablets

Google recently announced it was discontinuing its Nexus 7 tablet, a 2013 product, and it hasn't announced anything new to replace it. While the Nexus 9 came out at the end of last year, the tablet market has stalled as of late, so we may not see anything new for a while. That's a shame, because Nexus tablets are generally very good values -- at least, compared to Apple's iPads.

Google Glass 2

There's a been a lot of talk about Google rolling out a successor to its much-hyped, then much-maligned experimental eyewear, Google Glass . In Richard Nieva's recent piece on the rise and fall of Google Glass, he writes that, "Google paused the project in January, halting the Explorer program and discontinuing production of the costly prototype. It's reportedly working on a new model it hopes won't alienate so many people."

When we'll see it, we don't know, but expect the rumors to ramp up around this time next year.

Google Glass Explorer Edition was discontinued back in January. Sarah Tew/CNET

New Android Wear hardware

Google talked up what seemed like some minor improvements to its Android Wear platform (those updates were actually announced in April), but didn't show off any flashy new hardware in the process. The LG Watch Urbane , which we reviewed recently, is the first to include those updates, but Google didn't highlight that smartwatch -- or any other new smartwatches -- as part of its Android Wear presentation.

Project Ara

Back at CES in January, Google got some press for Project Ara, its snap-together smartphone platform that allowed you to customize components to your liking. Phone-maker Yezz actually has a Project Ara prototype and hopes to start selling Ara modules later this year (the frames or "endoskeletons" will be sold by Google). No updates from Google on Project Ara, though.

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The idea behind Project Ara is to be able to build your own phone with customizable components you can later replace. Lynn La/CNET

Project Tango

Google's Project Tango tablet is geared toward professional developers interested in working on 3D or depth-sensing programs, and Google recently released a developer kit for it. We actually think it's one of the best tablets of the year , but it isn't a consumer product. Whatever the case, it didn't get a formal invite to this year's I/O dance.

Project Fi wireless service

Google recently announced that it was working with carriers Sprint and T-Mobile to offer a wireless service that would seamlessly switch between Wi-Fi hotspots and 4G LTE cellular networks. It was calling the service Project Fi.

The idea is to combine Wi-Fi with cellular service to come up with much cheaper service plans. We're talking $20 a month.

Sounds intriguing, right? Which is why we were hoping we'd get some sort of update from Google at I/O on Project Fi. Not yet, anyway.