1. By lucky coincidence, we learned Twitter was working on a way to make this use case simple.

2. The location of the shooting in a mall was a coincidence, he said.

3. Whether by clever choice or coincidence, Prism appears to do what its name suggests.

4. Perhaps it is merely coincidence, but both companies are at the forefront of the debate about jobs and the digital economy.

5. But what three Israeli hikers discovered during the holidays made the coincidence truly remarkable.

6. It was just a coincidence that the dramatic sunrise was shown on a day when heavy smog blocked the sunlight.