(Reuters) - Twitter Inc will lay off up to 336 employees, or about 8 percent of its workforce, as co-founder Jack Dorsey readies to revive growth in the microblogging service provider's user base in his second stint as chief executive.
Utilize the input text as a context reference, choose the right relationship between 'Twitter' and 'microblogging' from the options.
Options: stock exchange, member of, operator, product/material produced