spark seems to be releasing a form of "zapping" onto twitter , i think this just cam out today 
Discussion
That’s pretty wild, and I guess it’s as “self-custodial” as the new nostr:nprofile1qy2hwumn8ghj7etyv4hzumn0wd68ytnvv9hxgqgswaehxw309akkumpwwccxctnfduqzp0sa39u5h7fduhwkfs0xpa4zcuxpgz46exfjgx87uvx9ccmla9renq7986, right?
Yes
This basically looks like an updated version of ChangeTip, but without the custodial wallet.
What's it like?