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Twitter Inc. (NYSE: TWTR) has not issued a single bit of positive news in months. New CEO Jack Dorsey has not made a positive move. The most recent quarter was a disaster. Some of these things may have triggered an 8.5 million jump in short interest in Twitter’s stock to 63.7 million.

Twitter’s shares are off 12% in the past month to $14.63. Over the past year, they are off 61%.

Twitter’s growth rate slowed considerably in the most recent report. The grow of its users died.

o Q1 revenue totaled $595 million, an increase of 36% year-over-year. Excluding the impact of year-over-year changes in foreign exchange rates, revenue would have increased 39%. o Advertising revenue totaled $531 million, an increase of 37% year-over-year. Excluding the impact of year-over-year changes in foreign exchange rates, advertising revenue would have increased 39%. Mobile advertising revenue was 88% of total advertising revenue.

o Data licensing and other revenue totaled $64 million, an increase of 34% year-over-year. o U.S. revenue totaled $390 million, an increase of 35% year-over-year.

o International revenue totaled $204 million, an increase of 39% year-over-year. Excluding the impact of year-over-year changes in foreign exchange rates, international revenue would have increased 46%.

• Q1 GAAP net loss of $80 million and non-GAAP net income of $103 million.

• Q1 GAAP diluted EPS of ($0.12) and non-GAAP diluted EPS of $0.15.

• Q1 adjusted EBITDA of $180 million, up 73% year-over-year, representing an adjusted EBITDA margin of 30%.

Average monthly active users (MAUs) were 310 million for Q1, up 3% year-over-year and compared to 305 million in the previous quarter.

Many marketers do not consider Twitter a viable platform for advertising, while another social medium, Facebook Inc. (NASDAQ: FB) is considered a must buy, both for computers and users of mobile apps.

Twitter may be dying.