I'm still using nostr:nprofile1qydjqamnwvaz7tmjv4kxz7fwdeek2cmzw4hxketj9e3k7mgpr9mhxue69uhks6tkv46xzmrt9ehx7um5wgcjucm0d5qzqyllss2z5efxy3gjfsvqldf59n4pxr243lk86jyqr8ga4ea2egv2re7nre for most of my students, and it really is a smooth and pleasurable user experience. Here I was yesterday, explaining countable and uncountable nouns to my cheerful Russian student: