snowflakes
... that Twitter and Discord use snowflakes as unique identifiers for their messages and users?
... that <a href="./Twitter" id="mwBu0" rel="mw:WikiLink" title="Twitter">Twitter</a> and <a class="mw-redirect" href="./Discord_(software)" id="mwBu4" rel="mw:WikiLink" title="Discord (software)">Discord</a> use <b id="mwBu8"><a href="./Snowflake_ID" id="mwBvA" rel="mw:WikiLink" title="Snowflake ID">snowflakes</a></b> as <a href="./Unique_identifier" id="mwBvE" rel="mw:WikiLink" title="Unique identifier">unique identifiers</a> for their messages and users?