Reached 100+ subscribers

From the first newsletter I got some feedback on the format of my "gem mining", and switched it from Google Docs to Notion, which looks cleaner (especially on mobile). Also added a recap of all the insights (gems) at the top to make it easier to get a quick view.

Now that I feel more confident about the format I shared growthgems.co in another mobile-specific Slack Group which already got me a few more subscribers after 10 minutes and putting me > 100 (104 right now).