Over the last decade, five companies have emerged with the potential to aggressively reshape the landscape of multiple industries – and to change life as we know it. They are the "Tech Titans:" Amazon, Apple, eBay , Facebook and Google.
Collectively, these five companies are worth more than a trillion dollars. Their growth, their cash and their vision make them formidable competitors in any industry and complex partners for any company. All marketers should keep an eye on....