Optical ILLUSIONS!!!!!!!!!!

Here are a few really cool optical illusions that really trick your eyes. This illusion looks curved around all the sides of the square, but its not.
This optical illusion looks like one of those hologram cups you get at a fast food drive thru.
In my opinion, this is a great illusion which will make you go crazy. This reallly has a great impact on people and they liked it. I too have posted this at some other places. This optical illusion is liked all over world by different people having different cultures and traditions. So I would like you to enjoy this optical illusion. Please comment if you like the illusion. Your interest in this regard will be appreciated.
                                                   THANK YOU!!!!!!!!!!!!