120 years after Ferdinand Porsche built his first prototype all-electric Lohner-Porsche horseless carriage, his eponymous company has finally revealed its long-awaited production electric car, the 2020 Porsche Taycan. Ahead of the official reveal, we were invited to a full day of technical briefings on every aspect of Porsche’s most important new model since the original Cayenne. There’s a lot to cover, so get a snack, use the restroom, fluff your pillow, and call a pet over for a nap because you’re not going anywhere for a while. Let’s get started. By now, you know the basics. The Taycan features a floor-mounted battery pack with front and rear motors, the same layout used in Teslas and other EVs. It will launch in two trims, Turbo and Turbo S, which Porsche now considers brand names, not literal identifiers. The primary difference will be the size of the front motor and the list of standard features. Now, the numbers. The Taycan Turbo S will hit 60 mph in a Porsche-estimated 2.8 seconds, with the Taycan Turbo just behind in an estimated 3.2 seconds. The Turbo S might be even quicker than that, though; we were originally quoted 2.6 seconds to 60 mph, but...