so 2015 = very 2015

0:57 you can actually enter your password right into the bike and it will turn it on as well. keys are so 2015. もし、スマホの電池が切れても、パスワードを入れるとこの電動自転車は動くのさ。いかにも2015年っぽいだろ？

This motorcycle is actually a bicycle

https://www.youtube.com/watch?v=X4Va-59-YaM  9;08 it's very 2015. ミスユニバースでのこのハプニングはいかにも2015年らしい。
Miss Universe 2015 - Final Result & Crowning Moments (Part 9)

https://www.youtube.com/watch?v=qskRTfQ-mAk  0:00 clicking a buy button on a website is so 20th century, now it's all about conversing with a computerized robot. 買い物サイトで購入ボタンを押すのはいかにも前世紀らしかったが、今世紀は買い物をするときにはアプリに話しかければいい。
Facebook - what bots can do for you

https://www.youtube.com/watch?v=qLTlNPB0zLs  0;01 I feel that looking at people based on their birth year is so antiquated, so 20th century. it's about time we updated. and be as modern as the age that we live in. 生まれた年度によって団塊の世代とかベビーブーマーだとかの区別をするのはいかにも20世紀らしい古めかしいやり方で、もうそろそろ、今生きている現代にあった分け方に切り替えたほうがいい。
Forget Millennials! Perennial is the new ageless label

3:37 I already said when you got up and ran out of shot. oh that's so him. 言ったことだけど、足が折れたトムが立ち上がってカメラの前を駆け抜けた時、いかにも彼らしいと思ったよ。

Footage of how Tom Cruise broke his ankle while filming his latest movie - The Graham Norton Show

練習問題解答
a-5450 so him
a-7474 too '90s
b-3600 all so 60s