news item about CSS talk

Author: lexingxie

layouts/index.html

@@ -25,6 +25,12 @@
         <!-- Recent updates -->
         <h4><b>Recent updates</b></h4>
         <ul class="list-unstyled li-menu">
+           <li><span class="update-time">2024-01</span> 
+               <span class="update-content">Lexing gave a seminar titled
+                <a href="https://www.youtube.com/watch?v=gos7Ab7b9iI">"Understanding Online Attention: from Items to Markets"</a> at 
+                   Chinese University of Hong Kong Computational Social Science Lab. 
+                   The talk was broadcast live and broke Lexing's personal record for attracting online attention. 
+           </span></li>
            <li><span class="update-time">2023-05</span>
             <span class="update-content">The Web Conference and ICLR 2023 are taking place this month! Haiqing is presenting 
                 <a href="https://arxiv.org/abs/2302.06226">Stability and Efficiency of Personalised Cultural Markets</a> at the former,