What is the relationship between Twitter and internet in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

'Increase the talent pool' Apart from Google, one-time internet darlings Yelp and Twitter have become prime poaching targets, especially as their share prices have plummeted, reducing their employees' potential for big gains from equity compensation.

Answer: industry