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Costco workers practice picketing at a warehouse in San Diego. TeamstersCostco workers affiliated with the Teamsters union have voted in favor of going on strike. The strike will start if no deal is reached by the January 31 deadline. Teamsters president Sean O'Brien has pledged to win "the strongest contract in Costco's history."Costco workers are ready to strike.

Protesters held rallies on Sunday ahead of the annual Word Economic Forum meeting in Davos, Switzerland. Hugh Langley/Business InsiderDonald Trump and Elon Musk are looming large over this year's World Economic Forum. Protests in Davos began on Sunday, with some demonstrators blocking traffic. The president of the Young Socialists called out Musk's meddling in European politics.

TikTok shut down its app for its US users on Saturday. Michael M. Santiago/Getty ImagesTikTok says it is "restoring service" in the United States. The company had turned off its app for its 170 million US users on Saturday. President-elect Donald Trump said he will issue an executive order on Monday to delay a TikTok ban.

When you buy through our links, Business Insider may earn an affiliate commission. Learn moreJosh Allen of the Buffalo Bills during a 2024 NFL game. Mike Mulholland/Getty ImagesThe final divisional round game of this year's NFL Playoffs kicks off tonight, and it's an AFC North vs. East smackdown. Whether you're rooting for Baltimore or Buffalo, we'll show you how to watch the Ravens vs.

TikTok users, frustrated by the app going dark, turned their anger on Mark Zuckerberg. Celal Gunes/Anadolu via Getty ImagesTikTok went dark for American users on Saturday night. TikTok users directed their anger at Mark Zuckerberg and Meta. TikTok began returning on Sunday after Trump said he'd issue an executive order delaying a ban.

Mobile card game Marvel Snap went offline in the United States as a consequence of the TikTok ban. Marvel Snap"Marvel Snap" was removed from US app stores alongside TikTok this weekend. The Supreme Court upheld a law requiring ByteDance to divest TikTok, affecting its other apps too."Marvel Rivals" is so far unaffected but is also owned by a major Chinese conglomerate."Marvel Snap," a popular mobile card game, is now gone from US app stores as a consequence of the TikTok drama.