>... and because they are busy people, they type bing.com into their browser instead. All major tech companies accompany their services with user accounts that

>... and because they are busy people, they type bing.com into their browser instead. All major tech companies accompany their services with user accounts that hold a treasure trove of personal information, and that users are likely to be invested in to some degree. Facebook (the subject of the article) happens to be the best example of this, because you can't simply go to some other site and have all your personal connections be present; the lock-in factor is very high there. Moreover, if tech companies coordinated their efforts, simply using the competitor as your example suggests would not work.