Sony is releasing its first ultra-high-definition television, a massive 84-inch set that retails for $25,000 (£15,614) and features nearly four times the resolution of typical high-definition TVs.

The Walker Edison 65-Inch Open Storage TV Stand is on sale for just $84 at Walmart, a 53% savings compared to its full price of $179. This large console is wide enough to accommodate a vast range ...