I find that this helps remember books that I read years ago, and usually the single quote is enough to jolt a series of memories about the book.
That said, I also own physical books and they are in glass bookshelves around my office and living room. I do like the looks of them and they can be a conversation starter as well when friends come over.
I have a Lambda function which runs daily, selects a random highlights, and emails it to me. I’m using AWS SES for sending out the emails.
I think it’s all essentially free tier AWS stuff, so basically 0 cost. I’ve not fully automated it, I need to run the scraper manually but that’s easy enough to do whenever I’m at my desktop.
It’s a bit hacked together but it works lol.
I have a similar feeling when it comes to my music collection, some of which includes rare recordings. I ripped everything and have it at my fingertips on my phone, computer, etc, but I often find that I’ve forgotten when I have. When I was younger, I kept it all on a shelf. Browsing one’s music collection (or a friend’s) was always a pleasant way to spend an evening socializing. With apps, that is all gone. I have recurring fantasies about building some kind of physical music player, with cartridges that one could insert into a “player”. The actual music would be stored centrally, but this would be more like a mnemonic device to make browsing more enjoyable. I could imagine a similar thing for ebooks.
If I use the OPDS interface, that doesn't happen; I suppose it would be nice to push some reading information back. Sync between reading devices is handled by koreader-sync, so I can pick up any device running koreader and be on the page where I left off.
This agrees with studies that show that memory retention is better among students when using physical books rather than ebooks. That's because we're embodied. The book is a physical object with physical features. These intelligible physical features create associations (spatial anchoring, sensory engagement) that reinforce memory. You also get a sense of progress as you read. For instance, when I read something, I better remember at what depth certain content is, and given the depth, I know more or less what is in that part of the book. You could think of it in terms of spatial indexing or in terms of data locality.
People think the medium doesn't matter. They think that it's just a matter of encoding. But the medium very much matters, because the senses are involved in memory formation in all sorts of ways. It's also why handwriting leads to better retention of information than typing.