Snap Inc

SHARE Foundation said on Tuesday that it has sent letters to 20 companies, including Facebook, Twitter and Google, asking them to appoint a representative in Serbia to whom all questions related to personal data processing can be addressed.

Alphabet Inc's Google on Wednesday unveiled the second generation of its Pixel smartphone along with new voice-enabled home speakers, redoubling its commitment to the hardware business as it competes with a surge of devices from Apple Inc  and Amazon.com Inc, according to Reuters. 

Facebook Inc said on June 27 that 2 billion people are regularly using its flagship service, marching past another milestone in its growth from a college curiosity in the United States to the world's largest social media network. 

Twitter Inc reported its slowest quarterly revenue growth since going public as the company continues to face intense competition from Snap Inc's Snapchat and Facebook Inc's Instagram.

The company's shares fell as much as 10 percent to $16.81 in premarket trading on Feb. 9.

Twitter said its user base increased 4 percent to 319 million average monthly active users.