Using 10 tags instead of 5... I had seen those posts around. However, it took me up until today to figure out how it could be done.
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Using the right tags for your posts is important if you want your content to get seen.
Since the appearance of all those new communities - and the attached tokens that can be earned - the limitation of 5 tags became a real problem.
People wanted to earn as many tokens possible, so instead of topic-related tags, they started using token-related tags. As a result, a lot of posts did not reach the people who were interested in a certain niche.
I came across a post about gardening that had the following tags underneath:
#palnet #neoxian #newsteem #naturalmedicine #busy
I assume I don't need to explain that this post never reached its targeted audience.
A couple of days ago, I started noticing that some posts had more than 5 tags attached to it. At first, I didn't pay too much attention to it, but since I experienced more and more trouble limiting my number of tags to only 5, I became curious.
This morning, I accidentally bumped into a post that solved the mystery.
Why it's important to use good tags for your post by 
It's a very interesting post to read.
In the comments section, I found the clue I was looking for:
When you're publishing through one of the new platforms, like Neoxian, Palnet, Steemace etc., you will notice that in the tag-field there still is a message that you can only use 5 tags. Apparently, this is just a display error. In reality, you can add 10 tags.
I suggest you make use of this option to make sure your posts reaches your target audience.
One more important note, though: pay attention to the order of your tags!!
Click to enlarge - Source
Since the SteemIt platform only takes the first 5 tags into consideration, you should use your first 5 tags to categorize your post on SteemIt, so it can be found by the people who are interested in your topic.
EDIT: you can now also use 10 tags when using SteemSpeak!
