This page exists because I sometimes login to online platforms and see messages from people who tried to contact me but did not get a response in time.
If I don't respond 2-3 times past expected time, feel free to follow up.
| Platform | Username | How often I check | Notes |
|---|---|---|---|
| GitHub (Issues) | harry7557558 | daily | use when relevant to a project; not recommended for private information |
| Discord | spirulae | daily | has a tight file upload size limit, use external link for large files |
harry7557558 -at- gmail -dot- com | daily | ||
harry7557558 | every 1-3 days | I type faster in English and may reply in English, but I do read and speak Chinese | |
harry7557558 | once a few weeks | ||
harry7557558 | once a few weeks | I may check more frequently within a few days after making a post |
Do not use: my mail.utoronto.ca email (external emails can go into spam), harry7557558 on Discord (I don't check anymore), Instagram/Facebook/Threads/X (I don't check).
Updated September 9 2026.