So I heard that some think that is because for a long while the R/D effort was outsourced to other companies, away from larger ones. I dunno if that is the case

So I heard that some think that is because for a long while the R/D effort was outsourced to other companies, away from larger ones. I dunno if that is the case but in the company I worked for got acquired and did some pretty serious R/D. It could have been profitable but acquisition was obviously the easier way out so the investors took it. I'm sure something like Twitter is useful but only to a large company, perhaps? I dunno.