<h2>Answer :</h2>
In case of Flash Sale, usually company uses Instant messages or SMS. As there are chances customer in most of the cases don’t have access to their emails due to internet unavailability. However SMS can be directed towards customers without the requirements of an internet. In case of SMS, there are companies available that can shoot out targeted SMS based on cities or even an entire country at a very minimal price. Company can provided them there contacts as well as they have a list of numbers from different sources to which they can send instant messages.
They can be used to just copy/paste e-mailed information without writing down on a paper and losing valuable time. This is one example.
Answer:
Usually, Google Docs save automatically. If you remember some keywords that you typed, try searching for it. For example, if you typed up a report about dogs, search "dogs" when you're on the Google Docs home screen.
Explanation:
If this doesn't help, leave a comment and I'll try to help more!