Quote from: maokoto on January 12, 2016, 04:18:10 PM

Nice idea for sure, but How do I do to post messages? I cannot figure out how to do it, cannot type in the field or see any button to do it or something.

And how is that paid service? Perhaps you need the app to do it?

There are many ways to post messages:
from the web site clicking the write button. There is globally one message free every hour or you can always write paying in bitcoin.
from the android app by clicking the plus "+" floating button.
If you want to write nominal message (not anonymous) you need to create an account in the app (in the user tab) and deposit some milli bitcoin to write a few messages.

Quote from: teonoaro on January 12, 2016, 05:39:38 PM

The messaging app looks nice. I want to see soon the video messaging app with blockchain. Will OP_RETURN support video broadcasting? Are we not up to the mark for that? How much will it cost to send additional messages? How can I show others that I added message to the eternitywall and it is living in the blockchain and it will live forever. Do I need to send money to the address to include the message in the transaction? It seems I know something right, but something not.

Space in OP_RETURN it's expensive, in theory it's possible to store data but it's not practical.
Message cost about 0.2 milli bitcoin
In every page of a message, there are links to third party block explorers where you can see the same message, proving that it's in the blockchain