<p class="MsoNormal">Twitter Inc on Wednesday announced in blog post that it will “discontinue Periscope as a separate mobile app” by March 2021.</p><p class="MsoNormal">“We have made the difficult decision to discontinue Periscope as a separate mobile app,” the post, signed off ‘Periscope team’, read. “Over the past couple of years, we have seen declining usage and know that the cost to support the app will only continue to go up over time,” it went on. </p>