Today Google released Google trips https://get.google.com/trips
Not to say it's definitely going to be successful, but it must be a bad news for people building travel apps.
These days big companies like Google and microsoft roll out small products like trips from time to time, with so many resources to spare, they have a bigger chance to succeed than startups.
If you are building a internet product, do you worry that one day a tech giant will crash you? If so what can you do about it?