- "Free gigabytes of mail storage!"
- "Free communication with your teams"
- "Free internet hosting for hobby projects!"
The free tech offerings are just good enough to kill open source or entrenched alternatives. The goal is to suffocate them. Once the competition is gone or investors demand more money destroy the tier/raise prices.
FB is trying to do that to Craigslist with marketplaces, Uber and Lyft and doing that with Taxis, AirBnb with... etc etc etc