Captain Up<p>The hottest startups of 2015 once promised to change the world—but where are they now? From Uber’s continued dominance to Wish’s transformation and Headspace’s rise in wellness, and Captain Up’s evolution in gamification, we explore how these companies adapted, scaled, or faded over the past decade. See which startups thrived, pivoted, or disappeared in 2025.<br><a href="https://firebearstudio.com/blog/40-hottest-startups-2015.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">firebearstudio.com/blog/40-hot</span><span class="invisible">test-startups-2015.html</span></a></p><p><a href="https://captainup.com/gamification" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">captainup.com/gamification</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/Startups" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Startups</span></a> <a href="https://mastodon.social/tags/TechTrends" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TechTrends</span></a> <a href="https://mastodon.social/tags/BusinessEvolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BusinessEvolution</span></a> <a href="https://mastodon.social/tags/Innovation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Innovation</span></a> <a href="https://mastodon.social/tags/Entrepreneurship" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Entrepreneurship</span></a> <a href="https://mastodon.social/tags/CaptainUp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CaptainUp</span></a></p>