What are the top 3 pre-launch campaigns that you saw?

I found the Robinhood app and the Harry's razors. I'm looking for more, preferably on software projects.
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3 recommended
  1. 4
    Slack

    Be less busy. Real-time messaging, archiving & search.

    Aishwarya Hariharan3Marketing at Freshworks · Written
    During the preview release, 8000 people signed up for an invite to try Slack. Two weeks later, it was 15k. Sure, there was a press blitz thanks to the team members but I think it's pretty darned impressive. Source: http://firstround.com/review/Fro...
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  2. 1
    The Grid

    AI websites that design themselves

    So much hype. So little reality. Interesting "SaaS-for-life" early backing model.
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  3. Sam DickieProduct Manager| NoCode| BetaTesta · Written
    What about Monzo or dropbox pre-launch referral schemes? Im currently using Viral Loops on a project and creating the same referral waiting list as Robinhood. 14 day trail and they do all the work for you, all you do is customise the campaign and paste in the code and boom 💥 - also im not affiliated with them!
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