Bitcoin Exchange Guide | JoorsChain Coin ICO (JIC Token): Blockchain Digital Advertising System? Bitcoin Exchange Guide The digital advertising turnover is estimated to hit $237 billion by the end of 2018. By 2020, the figure is expected to have hit $335 billion. However, the industry still suffers from major inefficiency and fraud. This means that about 50% of ad spend ... |
JoorsChain Coin ICO (JIC Token): Blockchain Digital Advertising System? – Bitcoin Exchange Guide
