YouTube to expand TikTok clone Shorts: It saw massive success in India last year, and though we don't think it will replicate that success worldwide, YouTube still needs to tap into short-form video to remain competitive.

Netflix slashed ad spending by nearly a quarter last year: That's partially because it size and reputation helped it amass subscribers when lockdowns hit, even without ads. But it's also because the company's shifting toward content-based marketing.

eMarketer principal analyst at Insider Intelligence Andrew Lipsman discusses how holiday shopping in 2020 actually went: how much was bought online, whether "shipageddon" came true, and the retail winners and losers. He then explains the implications of Walmart's ecommerce boss leaving, Poshmark's and Affirm's IPOs, and why Peloton is buying Precor.

Vaccines won't bring shoppers back to stores: Nearly half of US consumers won't return to brick-and-mortar stores for nonessential purchases even after getting vaccinated, according to new First Insight research, as online shopping habits become permanent.

Signal boosts its chat features: The move is aimed at capturing a more mainstream audience, and though we don’t think it will hurt WhatsApp, it could make for a more fragmented mobile messaging space in the future.