Honestly, to put it plainly Memo has way too many issues. The cost, even just 1,000 bits put's people off due to the inaccessibility of faucets, and the concept of paying for posts.
sure there are things to improve but I rather paying for my post less than a cent, than having to be bombarded by all sorts of stupid advs on twitter, facebook and instagram.
and your data farmed and sold
Like it or not, most of the brain dead public doesn't mind getting spied on and force fed ads for the sake of free content.
