The really irresponsible thing here is that the article doesn't make an explicit point of Tumblr's lack of revenue or revenue model and ask 'wtf is the plan?'.

The really irresponsible thing here is that the article doesn't make an explicit point of Tumblr's lack of revenue or revenue model and ask 'wtf is the plan?'. Reminds me of ra-ra coverage celebrating the 'success' of Digg.