How much technology to play a song?

So, I’m sat here with my laptop, and I decided it would be nice to listen to some music for a few minutes.  I grab a bluetooth speaker, fire up iTurnes, and play some playlists from the library on my desktop.  Took all of 10 seconds, 8 of which was ferreting in my bag for the speaker.

But let’s think about this.  The computer upstairs is pulling a data stream off its local hard drive, sending it down a wire to the wireless access point, which sends it over the air to my laptop, which then sends it via a different radio format to the speaker sat next to me.  I’m not just amazed that I have superb quality audio being played to me right now, with that lot of technology in the way, I’m amazed that it’s not only possible, but affordable.e

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