There is also a bigger market for the startups to work with, in the early internet days nobody gave a lot of importance to online services they were actually wo

There is also a bigger market for the startups to work with, in the early internet days nobody gave a lot of importance to online services they were actually worst than local software, nowadays we can produce better quality software and better looking also so most of the users are willing to use (a few to pay) it in a desktop fashion. So now you can hit millions of users and earlier you couldn't, this helps online services to don't die faster then they can improve their service.