Update installation_and_use.md

Author: dbirman

source/pinpoint/installation_and_use.md

@@ -6,12 +6,10 @@ Pinpoint is a tool for planning electrophysiology recordings and other *in vivo*
 
 Code is on our [Github repository](https://github.com/VirtualBrainLab/Pinpoint/).
 
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-<p>Pinpoint and Urchin will be at SfN 2023!</p>
-<p><b>Wednesday Oct 25th 9AM PST</b> we'll be hosting a pre-SfN webinar with Sensapex. Sign up <a href="https://www.sensapex.com/webinar/">here</a></p>
-<p><b>Sunday Nov 12th 6:30pm-9pm</b> we'll be at the <i>Tools, Tech and Theory: BRAIN Initiative Alliance Social</i> Renaissance Washington, DC Downtown Hotel, Potomac Ballroom Salon 2.</p>
-<p><b>Tuesday Nov 14th 1pm-5pm</b> we'll be at poster XX60 and XX70</p>
-</div> -->
+<div style="padding: 15px; border: 1px solid transparent; border-color: transparent; margin-bottom: 20px; border-radius: 4px; color: #31708f; background-color: #d9edf7; border-color: #bce8f1;">
+<p>Pinpoint / New Scale Webinar</p>
+<p><b>Thursday Apr 18th 8AM PST/11AM EST</b> we'll be hosting a webinar with New Scale. Sign up <a href="https://r20.rs6.net/tn.jsp?f=001r45186-_W6L8rvvWnmIUDiCWp-K9_mKW8UEdjhjEer7N1W0UoTB5iTlxapxVTS8u7ey18EDsC3EChhO5_P3oOLonK1m3vrt7c_tiEhWuWDqr1OoLb07_IQDwpTlxXvWr3ntCixCi-rzfFxmVHK181ORCKEpoNDfRfHxlseEjuAbAe_hQa2du6g9zCRnmGUy0kCB0tjIXCio9RdQ5J2x38uPx1EmbcAafETVRUhaYnDSxUtZMkfxNqnWUSuOlprulOKfHr9F91jBVNZCyraMLVmqMJtcmkKNnjACbl1r1bqU=&c=aRT56swgTfpvquKmdNvKIJpyWwrSDmnWLJWC4N5FFUhdR_SCji7EAw==&ch=oT9R18qiioeHaIgMSbuA81vIoSqkLwssG1WfWDJ2mgHyAbtGDZgDFw==">here</a></p>
+</div>
 
 
 ## Install