Twitch starts testing vertical video streams

Livestreaming service Twitch, which is owned by Amazon, announced at its annual TwitchCon event earlier this year that it would move into the vertical video space. Now those initial alpha tests have gone live with a few streamers, according to findings from market intelligence provider Appsensa.

In a recent build, the firm found references to the vertical video tests and information about what sort of features these new streams would offer. The feature, once fully rolled out, would make Twitch more competitive with other popular vertical video…