iPhone and YouTube

Apple must think that YouTube is important because the iPhone has a YouTube icon on the main screen.

Browse videos
Tap Featured, Most Viewed, or Bookmarks. Or tap More to browse by Most Recent, Top Rated, or History.
Featured: Videos reviewed and featured by YouTube staff.
Most Viewed: Videos most seen by YouTube viewers. Tap All for all-time most viewed videos, or Today or This Week for most-viewed videos of the day or week.
Bookmarks: Videos you’ve bookmarked.
Most Recent: Videos most recently submitted to YouTube.
Top Rated: Videos most highly rated by YouTube viewers. To rate videos, go to www.youtube.com.
History: Videos you’ve viewed most recently.

Search for a video
1 Tap Search, then tap the YouTube search field.
2 Type a word or phrase that describes what you’re looking for, then tap Search. YouTube shows results based on video titles, descriptions, tags, and user names.

Play a video
Tap the video. The video begins to download to iPhone and a progress bar shows progress. When enough of the video has downloaded, it begins to play. You can also tap to start the video.