english: These things have come a long, long way in the last couple of years and are now able to actually anticipate speaker’s moves on a stage as they walk back and forth.
non_english: うぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅうぐぅぐぅうぐぅうぐぅうぐぅ