it's because that these techniques used in anime or manga whether it's filler of manga canon while the anime episode or arc is still not shown in the future.
One more thing. always leave a signature! if you did not, your message will be unsigned. Kunoichi101 (talk) 13:16, May 23, 2013 (UTC)Kunoichi101 Hello Alisoncretmere, greetings and welcome to the Narutopedia! Thanks for your edit to the User talk:Kunoichi101 page.
We do hope that you will stay for a long time. Enjoy your stay as we work to become the best Naruto info site out there. BELIEVE IT!
If you're looking for something to do why not look over the Forums or more specifically Narutopedia Collaboration for a list of projects we're working on. And the Community portal has a lot of recent discussions and places to go listed on it.