Ever since the market started going down in mid-January, the bitcoin dominance has been growing. Do you think this is good for the crypto market & what do you think will happen to other coins in the future based on this?

https://useacoin.com/news/bitcoin-dominance-continues-to-grow-despite-entire-market-falling/

The cryptocurrency scams have spread like wildfire on Twitter for a while now, but today it was confirmed by the CEO of Twitter that they are trying to stop it. Hopefully, the issue will be resolved soon or at least stops the majority of them
https://useacoin.com/2018/03/01/twitter-working-on-measures-to-stop-crypto-scams/

He recently started a thread on the NANO subreddit asking some questions regarding the technology behind NANO. Today he then tweeted that NANO is "pretty neat" and that he owns some.
https://useacoin.com/2018/02/28/creator-of-litecoin-bullish-on-nano/

Putin is very bullish on blockchain technology, possibly also cryptocurrencies (not confirmed though) after Herman Gref calls for legislation of cryptocurrencies 
https://useacoin.com/2018/02/25/vladimir-putin-the-blockchain-race-is-on/

The "giveaway" twitter scam has been spreading like wildfire. Elon Musk is now also being impersonated

https://useacoin.com/2018/02/23/elon-musk-contacts-ceo-of-twitter-regarding-crypto-scams/

Bitcoin fees have been quite a problem and even though it's not that bad at the moment. However, the bitcoin network gets overloaded again during next bull run, fees will rise again. If bitcoin truly becomes mainstream will SegWit be enough to keep fees down? I know the lightning network is coming, but that only fixes payments after you have funded a channel. If bitcoin truly becomes mainstream all over the world, an obscure amount of new channels will have to be funded through the bitcoin network all the time. Thoughts?