Social Networking Sites

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Across
  1. 2. A fluttering blue hummingbird.
  2. 5. A musical note and a lowercase letter "d".
  3. 7. A white lowercase font "f" on a blue background.
  4. 8. A solid light-blue circle with a white image of a paper plane in the middle.
Down
  1. 1. Gradient elements of a camera.
  2. 3. A telephone handset inside a green text bubble.
  3. 4. A minimalistic white ghost, outlined in thick black and placed against a yellow background.
  4. 6. A small white triangle on a solid red background.