On: How we boosted our marketing email open rate

[ren_engineer]

email has the single best ROI of any marketing channel. Even if you don't like it you should be self-aware enough to realize you might not be representative of the general population and act accordingly, especially if you are an entrepreneur

[sam0x17 → ren_engineer]

ROI sure, until your domain gets blocked as a spam domain and you hire me to try to fix it

[stonogo → ren_engineer]

ROI is a dumb metric for a medium which is effectively free. Just another example of ignoring externalities.