Given the limitations of the Apple store and Google market in this regard, what are some of the ways that app developers have started to connect with users who have opted in to hear from them?
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The company is also now available worldwide through Apple's iTunes App Store and the Google Play market.
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Before Zynga can start worrying about Google taking market share from Facebook, Zynga has capacious and more imminent concerns.
JVC's free app for using wireless communication functions is available for download from the Apple App Store and Google Play Market.
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Version 2.5 offers improved productivity features as company expands service into every Apple App Store and Google Play market in the world.
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The Gogobeans mobile application, which will officially launch April 15 in the Apple App Store and Google Android Market, is also suited to mobile payments.
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It is indeed true that Google has market dominance of course.
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They would mostly run Android, sport single-core ARM chips, relatively-short battery life (think 4-5 hours), inferior touchscreens (stylus, anyone?), and often a poor selection of apps (subsets of the Google Android Market or, in the case of e-readers, none at all).
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Despite its undeniable market success, Google, too, faces market discipline.
Google's market value has been sagging, but this week brought some good new for Google investors.
This did wonders for Google's market share: at its peak, some 75% of all internet searches touched Google's technology.
According to Net Market Share, Google Chrome has been steadily increasing its market share among browsers.
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Led by Chief Executive EricSchmidtEric Schmidt, Google has lost market share to its top Chinese rival, Baidu.com.
Google surprised the market twice today when third quarter results came in both earlier and uglier than expected.
Competition also stepped up as search giant Google expanded its market share putting additional pressure on Yahoo and others.
In the UK, Bing has also made small inroads into Google's market share.
"It creates another competitor in Google and lets somebody with all the resources of Google get to market, " Davis says.
Google dominates the market, raking in 75% of U.S. paid search advertising in 2007, up from 60% in 2006, according to eMarketer.
After two years of fighting Roku, Apple TV and, to a lesser extent, Google TV for market share, Boxee has drastically rethought its approach.
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As the economic downturn exacerbates the troubles of Google's competitors and solidifies its grasp of the search advertising market, Google's biggest barrier may become government intervention.
Could it be that Apple's going to see a legitimate competitor in the "pretty, giant-screened cellphone with tight Google integration" market right out of the gate (and with 3G, no less)?
Advertisers, at least, seem to be switching: the most recent figures suggest that Google increased its market share of internet advertising by 4.4 percentage points during 2008, compared with Baidu's 2.9 percentage points.
"It's a market Google needs to participate in because there's an overall shift by companies to change" from servers they manage on-site to "cloud computing, " in which the servers are shared off-site, he said.
With 2% in market share for Windows Phone versus a combined 82% held by Apple and Google, according to market research firm NPD Group, it's hardly a war yet.
The Boston-based company accused Google of using its market power to pressure smartphone makers into dropping Skyhook's location-sensing technology in favor of Google's own, competing service.
In tablets, Windows 8 also hasn't budged Microsoft's negligible market share as Google's Android and Apple dominate the fast-growing tablet market.
The iPad mini comes to market as rivals from Google to Microsoft to Amazon bring new tablets to market.
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In contrast, Google has been holding market shares well above 90% in most European countries.
Distimo released a report claiming Google's Android Market offers more free applications than Apple's App Store.
Google entered the smartphone market in January 2010 with the launch of Nexus One.
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