What is the relationship between WeChat and Tencent 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.

Early stage entrepreneurs can spend weeks reading the hundreds of articles for tips on how China's Tencent Holdings grew its WeChat messaging app so swiftly to 549 million active users or how Google+ failed to connect emotionally despite being powered and pushed by the world's most powerful internet company.

Answer: developer