The ABI research group has found that Google has claimed 20% of the tablet market from Apple's iPad in the past twelve months. Jeff Orr, ABI Research Mobile Devices Group Director, stated; "Many vendors have introduced media tablets, but none are separating themselves from the pack to pose a serious threat to Apple. In fact, most have introduced products at prices higher than similarly-configured iPads. Apple, never a company to be waiting for others, has introduced its second-generation iPad media tablet while keeping product pricing unchanged."
The Tablet market is expanding at a phenomenal rate and there are expected to be over 120 million tablets by 2015. For Google to capture such a large share of the market so quickly is certainly a good sign for their position in the tablet market in the future. Android already holds more than 50% of the smartphone market in the US and if, it's share of the tablet market continues to rise at the current rate, a similar situation could be seen.
One thing to note about Android is that it will not allow one single company to gain superiority in the tablet market. Android devices are built by a variety of companies so all will gain shares in the market which will encourage competition in the industry- competition which Apple are desperately trying to kill.