If we take them at their word that they're committed to keeping a fully-featured free version, what options do they have to make back a multiple of that $100 million for their investors? What many other companies have done in the past is to add a lot of new features. There are many examples of a simple, no-frills application turning into a bloated, complicated one, with a tiered subscription system. Ultimately a less streamlined, more expensive version of what it was before the funding.
Enterprise sales - that is a hugely untapped market for password managers (and a huge gap for a lot of companies where people keep their various passwords that are left after massive SSO implementations when they try to SAML everything). CyberArk plays in that space, but Bitwarden with the thoughtful way they have built this product can give them a run for their money.
