Why it matters: It's not unusual for resistance media to rise in response to contentious elections. But the internet itself is becoming more politically divided than ever, driving Americans further into echo chambers.

Driving the news: Bluesky, an alternative to Elon Musk's X, saw downloads rise by 430% during election week, according to Sensor Tower.

Between the lines: Lefty, a dating app for progressives, has experienced an unprecedented 453% surge in downloads in the two weeks since the election, founder and CEO Alex Felipelli told Axios.

Zoom in: New data from CivicScience, a polling firm, found that people who voted for Vice President Harris are more active than Trump voters on Threads, Instagram, LinkedIn, and TikTok, while Trump voters are much much more likely to be active on X.

State of play: Some progressive news outlets are leaning even heavier into resistance coverage -- a business move that proved effective in 2016.

Zoom out: Conservatives tried to build their own alternate internet ecosystem toward the end of the Trump administration, particularly after Jan. 6, when most of the internet's biggest platforms de-platformed then-President Trump.

The big picture: For platforms and media outlets looking to become more neutral, playing to everyone's interests may present business challenges.

What's next: All signs point to online tribalism increasing as the barrier to entry for new digital products lowers, challenging mainstream institutions.