Media websites, news websites and TV stations will market bitcoin and cryptocurrencies. If you have noticed from the last ATH, we still can see here and there talks about bitcoin and cryptocurrencies in general by various sources. People can still write blogs, create their videos and when you have some people with influence do this things even tell little about it more people will become aware. On the next ATH there is going to be even more talks about it. Banning ads is okay I guess as it eliminates a lot of phishing and scam advertising that we've been seeing all over the place.

ICOs still can do promotions through bounties and such things if they wanted to.

I don't think that twitter banning cryptocurrencies ads would anyway affect bitcoin. A lot investors are still buying bitcoin and its popularity is also increasing.

Exactly, it won't effect Bitcoin market because it will affect only ICO market but there are many other ways where people are investing. Already we have seen many advertising related projects has been launched their ICO through Blockchain, maybe people will start approaching those websites.

I don't think this is a problem for bitcoin.information can be obtained from other sources

right now why big company ban the crptocurrencies ico, as we can see that that company is not is not harmed because of cryptocurrency ads even they got many profit because of that, and we know that bitcoin and other crypto is not illegal, why they should block cryptocurrencies ads

in fact i new it only today,  and i'm using chrome  , but my question was about ICO's and bitcoin, not only twitter, any way i'm sorry for being late.

i'm not sure if all the news are true or not but substantially it's clear that many of parties trying to move the market as they want.

These mainstream medias don't want to be stained by some scam ICOs or any scheme that involves cryptocurrencies. And this is also for the safety of their subscribers users which right. Bitcoin will not be affected by this because by now, even without advertisement, bitcoin is being talked about. New ICO's will be having a hard time now but they will be deserving if they manage to pull off and gain investors without the help of mainstream medias.

I don't really see this as a huge issue, I do not believe the advertising of ICOs is really a high quality or conversion means of advertising for these projects anyway. All these changes may just force the industry to become more professional in its approach.

There are two potential issues going on.

The first is the issue of trying to censor exposure to anything cryptocurrency related. It's possible that may be going on, though I rather doubt it, but even so, there remain multiple sources of information on all things cryptocurrency-related. Advertising on those sites tends to be better targeted anyway if it's crypto-related, so it seems that's where cryptocurrency ads will go.

The second issue is that within the cryptocurrency industry, sadly, there are lots of scams, including many ICOs, and those are the ones most likely to pursue advertising on more general sites like Twitter and Facebook. Those scams are a blight on our industry. I'm pretty sure that's the real intended target of censoring on the part of the big social media networks. Although I'm not advocating for complete removal of all such ads everywhere (free speech and all), quite frankly, any large site that does anything to reduce the amount of scam ads is doing the industry a favor. Hopefully our industry can get to the point of self regulating that.