"Users are getting worried about spams and malware spreading at a constant rate in Tumblr." Really? I've used Tumblr every day for a couple years now. I have n

"Users are getting worried about spams and malware spreading at a constant rate in Tumblr." Really? I've used Tumblr every day for a couple years now. I have never seen any "spams" or porn. This user isn't "worried."