FORTUNE -- San Francisco's Moscone Center is no stranger to developer conferences. It's been home to the annual geekfests hosted by Apple (AAPL) and Google (GOOG) for several years. But this summer, Microsoft (MSFT) decided to join the fun, bringing its three-day event to San Francisco. (Last year's conference was at--you guessed it--the company's Redmond campus.) All three companies are vying for developers' love--they run competing platforms, like Apple's iOS, Google's Android and Microsoft's Windows Phone on the mobile front. But their approach to developer conferences is also different (one similarity: parties are a must). As Microsoft winds down with its extravaganza, here's a side-by-side look at the Bay Area's dueling developer events.
When: June 26-28
Highlights: Windows 8.1, an improved update of its PC operating system, was announced. Also, a Facebook app is finally coming to Windows.
Oprah moment: Free Acer Iconia W3 tablet and Microsoft Surface Pro
Party: DJ Boogie was in the house at Wednesday's night's VIP event (he used a song-mixing Windows 8 app called edjing for his performance).
When: May 15-17
Highlights: Google Play All Music Access, Google's (long-winded) foray into music streaming and updates to Chrome and Google search. Also, a Larry Page sighting--the elusive CEO took questions from the audience.
Oprah moment: Chromebook Pixels for everyone
Party: let's just say Billy Idol was there
Apple Worldwide Developer Conference
When: June 10-14
Key announcement: the latest version of Apple's mobile operating system, iOS 7, featuring a "radical" redesign. Also, Apple marketing exec Phil Schiller used the word "ass" (as in, "Can't innovate, my ass!").
Oprah moment: None
Party: Developers rocked out to Vampire Weekend, iPhones in hand.
Google's CEO decried the negativity in the tech industry. Too bad the company's executives have a long history of trashing the competition.
By Verne Kopytoff
FORTUNE -- Larry Page, Google's chief executive, is fed up with the negativity in the technology industry and the news media that covers its every detail like a prizefight.
"Every story I read about Google is 'us versus some other company' or some stupid thing, and I MOREMay 16, 2013 7:03 AM ET
Its new music service -- Google Play Music All Access -- has features that are similar to both competitors.
By Ryan Bradley, senior editor
FORTUNE -- After months of buildup, on Wednesday Google announced a new, subscription-based streaming music service called Google Play Music All Access. The name may be clunky, but the offerings appear bountiful.
Google (GOOG) secured deals with three of the four major record labels—Universal Music, Sony, and Warner MOREMay 15, 2013 1:39 PM ET
In his Google I/O keynote, Vic Gundotra threw down the gauntlet. How will Apple respond?
Thursday may be remembered as the day Google (GOOG) leapfrogged Apple (AAPL), introducing a slew of new products -- an ad platform, a music market, Google TV -- and reporting that in 18 months Android has overtaken the iPhone OS in everything from U.S. smartphone sales to mobile Web searches.
But the most direct challenge came in MOREPhilip Elmer-DeWitt - May 21, 2010 8:11 AM ET
From the Google (GOOG) i/o conference in San Francisco, Michael and Jon analyze Google's plans for a new video standard and whether bringing the internet to TV's is such a good idea.
>Ben Baer, Senior Producer - May 20, 2010 5:40 PM ET
I'm live at Google I/O this morning and will be updating this post as announcements are made.
Google has set up a live stream of the event, which starts at 9 a.m. PDT. I'll be updating with quick posts here all day.
I can tell you already that HTML5 on Chrome is going to be a huge part of the keynote and that a few of your favorite magazines and Internet TV MORESeth Weintraub - May 19, 2010 10:29 AM ET
The mystery company helping GM's OnStar isn't a mystery anymore.
Google I/O is turning out to be a pretty interesting conference this year with GM now acknowledging the speculation that they are working with Google.
(I'll be dropping in at Google I/O and dropping posts on location tomorrow and Thursday).
Today, GM announced that they'd be showing up at Google I/O to demonstrate the new Android app that will accompany the Chevy Volt and MORESeth Weintraub - May 18, 2010 12:44 PM ET
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