Google 's Nexus 7 tablets are on their way . Some pre - orders were shipped on Thursday , Google says . Apple is expected to sell 55 million by the end of this year . The 7-inch tablet has gotten overwhelmingly positive reviews . So far , similarly sized Amazon Fire is most successful tablet challenger .
Google 's Nexus 7 tablets are on their way . Some pre - orders were shipped on Thursday , Google says . The 7-inch tablet has gotten overwhelmingly positive reviews . So far , similarly sized Amazon Fire is most successful tablet challenger .