Fake news. Algorithmically created content. Siloed hubs. The challenge currently faced is being human. A part of all of this is the need for a decentralised web. As Doug Belshaw explains,
We need to re-decentralise the Web. I wrote a few years ago about the dangers of newsfeeds that are algorithmically-curated by advertising-fuelled multinational tech companies. What we need to do is quickly replace our reliance on the likes of Facebook and Twitter before politicians think that direct digital democracy through these platforms would be a good idea. (Source)
This is something that Michael Caulfield captures in his discussion of the garden and the stream.