AV round 3: body copy on /about /technology /advertise /marketplace — broadcast→pro AV (about description, technology category descs, advertise H1+sample, marketplace category+meta)

src/app/about/page.tsx

@@ -20,7 +20,7 @@ export default function AboutPage() {
               </div>
               <h1 className="font-serif text-4xl md:text-5xl font-bold tracking-tight">About</h1>
               <p className="mt-3 text-[#9ca3af] text-base max-w-2xl">
-                An independent trade publication covering broadcast, live production, streaming, and post-production technology.
+                An independent trade publication covering pro AV, live production, display tech, and signal-flow technology.
               </p>
             </header>
 
@@ -41,7 +41,7 @@ export default function AboutPage() {
 
               <Block title="Where we go">
                 We cover the major industry shows in person and remotely — NAB
-                Show, IBC, BroadcastAsia, MPTS, InfoComm, and more — track
+                Show — InfoComm, ISE, NAB Show, IBC, and more — track
                 product launches and acquisitions year-round, and publish
                 interviews with the engineers, post supervisors, and executives
                 building the next generation of workflows.