What is the possibly effect of thier step did
Can this be a good thing cause it can stop the crypto money loundering
Or it can be bad cause it can hold the btc for spreadin share your thoughts
https://www.cnbc.com/2018/03/13/google-bans-crypto-ads.html
Google and facebook are just one company. After them, we never know whose next but since these two giants companies are powerful, then you now have the hints whose next. In terms of negative impact of these actions, yes, there are. It will greatly affect the ICOs since they are relying on popularity or reaching more audience as investors.