(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.
Take context from the input text and decide on the accurate relationship between 'Twitter' and 'microblogging' from the options provided.
Options: product/material produced, operator, member of, stock exchange