Twitter's Q2 net loss widened to USD 116.49 million or USD 0.16 per share from net loss of USD 107.22 million or USD 0.15 per share in the year-ago period.

Twitter said that beginning the second quarter of 2017, it is changing its method of calculating its non-GAAP provision for income taxes in accordance with the SEC's Non-GAAP Financial Measures Compliance and Disclosure Interpretation.

Revenues for the quarter declined 5 per cent to USD 573.86 million from USD 601.96 million last year.

Advertising revenue decreased 8 per cent from last year to USD 489 million.

Twitter said its average monthly active users were 328 million in the second quarter, up 5 per cent year-over-year and flat with the previous quarter. Twitter's average daily active usage grew 12 per cent year-over-year, marking the third consecutive quarter of double-digit growth.

Looking ahead to the third quarter, Twitter projects adjusted EBITDA to be between USD 130 million and USD 150 million. The company did not specific revenue guidance for the quarter.