The document discusses several new social media platforms and technologies:
- Thumb allows users to crowdsource opinions on outfits by voting on photos.
- Soundsharing enables sharing photos or messages through high-pitched sounds detectable by nearby phones.
- Whisper promotes anonymous sharing of secrets, though it has caused some controversy.
- Enterprise social networks allow internal company collaboration and knowledge sharing through social features.
- AroundMe connects users to nearby activities and events to promote local businesses and cultural opportunities.