Speaking of Rosetta Stone, their market cap is only $189m and they made $260m in revenue last year. I get that DuoLingo has a nice mobile interface, but do the

Speaking of Rosetta Stone, their market cap is only $189m and they made $260m in revenue last year. I get that DuoLingo has a nice mobile interface, but do they have a larger marketshare than Rosetta Stone?