I believe its possible to create blogs that are automated but not 'spam'. Tumblr seems to consider any auto-mation spam (although allowing their own internal queue seems to contradict this). I believe if someone were to create 20-100 accounts, hand select pictures to post and only a few a day, they could be valuable blogs and not 'spam'. I know of another who had quality blogs (maybe 70?) on a variety of specific niches that did this with, literally only 1-2 posts per day. Its possible to queue up a years worth of posts in this way, and the number of followers you get is much more a function of time then number of posts. Unfortunately this guy got banned for mobile redirects and clickunders, but his blogs were not spam. Making a large number of blogs like that will inherently generate a large volume of traffic, especially if they are linked to each other. It is possible to do in a non-spammy way that is productive and valuable to the community, but tumblr will not respond as to whether doing this, in and of itself, will get you banned. Because of this, I am forced to assume they prohibit it somehow. There are varying degrees to which one can use auto-mation. 1) At the least automated, one opens many browser tabs from thumbnails one likes, closes the tabs with pictures he/she doesn't like and manually reblogs the remainder to a queue. 2)A step up from this is using a plugin such as missing-e to one-click add these posts to a queue. 3) Instead of using missing-e to reblog the open tabs, an i-macros script is written and used to add all the pictures from the open windows to the queue. I have dones this and I doubt it got me banned, but perhaps it could? After this degree of auto-mation, I see two ways of progressing. 4) one can use a script or bot to upload images from a local drive to the queue. If these images comprise a thoughtful collection or are the authors own creation, I can't consider this to be spam, but maybe tumblr does. I did this with a script that I wrote using browser clicks and not API. I don't know if it was the reason for getting banned. 5) One can write a script, as I have done, that selects random images from carefully selected blogs and adds them to your queue. I did this as well and was careful to select blogs with only quality content that people would want to see again. I'd say upwards of 90% of all blogs do this indirectly, its just the randomization happens trough people's selection of images rather than a machine. Sometimes people will just reblog images randomly just to have a lot of posts, and a lot of tumblr is comprised of this. However using scripts it is possible to scale this behavior almost indefinitely. If a) you select enough source blogs, b) the blogs you pick to reblog from are of very high quality, c) you make more like 10 posts per day rather than 50 or more and d) all within the source blogs are from the same narrow niche, it is impossible for a human observer to distinguish whether the blog originates from auto-mation or from method 1) above. My question to tumblr and to the community at large: is such a blog spam? If someone does this on a variety of (adult)niches and assembles them into a directory, I would be interested in following it and consider it a convenience. If tumblr was willing to talk with me and clearly delineate at which level of auto-mation the behavior is acceptable and unacceptable, I would be willing to adjust to their mold. However every attempt I have made to contact them has failed. It seems they will tolerate the above methods if you do it on a small scale, but once you scale it too big they become intolerant. Ideally I would like to abide by their rules and have no limit on my scalability, or have a limit defined by them. Due to their unwillingness to communicate it seems that the only way to discover what the rules are is to break them, trial-and-error style. I was able to get almost 100,000 followers, so clearly that is too big. Are there any private forums to discuss tumblrs detection algorithms? It seems they are now banning my accounts before I even post in them (I've done a fresh install of windows on a virtual machine, new outlook acc, new ip-address and got instabanned, which leads me to some privacy concerns), but I will find a way around that eventually. Tumblr considers auto-mation (and pretty much anything they don't like) to be spam. At what degree does it become spam? Tell me your thoughts.