SoundCloud is a great place to gather all your different tastes in music and display them as representations of who you are. You can display things like your own tracks, albums, manually-curated playlists, liked tracks and playlists, and reposted content all from within your profile page.
I don't know about you, but I'm tired of hearing some of the same old jargon from people online who claim that all you need to make it on Instagram is to take good pictures and post consistently. Yes, for sure, but do you really think it's that easy?
For better or for worse, Google started the race towards smartglasses for everyday use with Google Glass before scrapping the Explorer Edition and pivoting towards enterprise customers.