So many have changed that I don't know where to start with. Firs of all there are 3 new free zones. The first one is Free zone for all businesses with max. of 30 blocks to choose from. The second is Pixel Sites zone excusively for pixel advertising site owners\webmasters. They can choose up to 25 10x10 pixels blocks. And last but not least Adult pixels zone only for adult related sites. Advertisers can choose up to 25 blocks on this grid.

But if you prefer to advertise on best viewable part of millionpixelsadvert.com you can buy special offer pixels, which are sold in groups of 140 blocks for just $35 (that's right - it's 14 000 pixels for just $35). If those are all sold out you can still advertise on premium zone for as few as $0,50 per one 10x10 pixels block.

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Remember this is not a promotion, those are permanent changes.