The startup sends the investor an email or text message saying "This is to confirm you're in for <offer>." The investor replies yes. == This not a handshake de

The startup sends the investor an email or text message saying "This is to confirm you're in for <offer>." The investor replies yes. == This not a handshake deal, de-facto or de jure. Therefore, this is a terrible, misleading article. A/k/a why god invented lawyers. [0] The Handshake Deal Protocol (ycombinator.com).