Twitter experiments with user action tape

Some Twitter accounts have changes in the web interface: the “@ username” and “Activity” tabs have replaced the “Mentions” and “Retweets” tabs.



Slightly more insider and screenshots inside.
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The username tab now contains mentions and retweets:


Activity is something like a tape from social networks like Facebook or Vkontakte:


PS I can't help noting that with this design the activity of twitter will wait for the waves of tweets “Dorsey, return the wall!”