I believe many friends have brought back a lot of beautiful vacation photos. However, it's better to share joy with others than enjoying alone. Have you ever thought about sharing what you saw and heard during your vacation with your friends? In fact, the simplest way is to upload the photos to an online album. But, how to achieve the highest efficiency in uploading is a seemingly simple yet complicated issue. Below, I will take Google Picasa Web Albums as an example to introduce several common methods of photo uploading.