Yesterday Yahoo! agreed to purchase the very popular blogging site Tumblr for $1.1 billion cash. In terms of today’s high price acquisitions, anything around $1.0 billion does not seem to be that large anymore (respective to the scale of today’s businesses). However, when looking at Tumblr from an ROI perspective, Tumblr only generated about $14 million in revenue in 2012. Continue reading Yahoo! Buys Tumblr: How much is 100 million users worth?