1. You can play volleyball in a Speedo. This is one of the most popular things you can do in a Speedo.
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2. You can walk along the beach with your friends in a Speedo.
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3. You can shop in a Speedo.
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4. You can play Fresca Ball in a Speedo.
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5. You can enjoy the splash of the surf in a Speedo.
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6. You can hold your wiener (dog) in a Speedo.
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7. You can play with your (coco)nuts in a Speedo.
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8. You can play with your balls in a Speedo.
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9. You can run with your happy beagle and your hot girlfriend in a Speedo.
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10. You can do manual labor in a Speedo. That's a shovel in his hand and he was using it to dig a hole right before I took the photo.
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11. You can ride your bike in a Speedo.
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12. You can also walk your bike in a Speedo.
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13. You can relax with your hot boyfriend in a Speedo.
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14. You can parent in a Speedo.
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15. You can multi-task in a Speedo: you can wear a backpack in a Speedo, you can vend (i.e. harrass tourists) in a Speedo and you can advertise on your ass in a Speedo.
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16. You can pose for a photo in a Speedo.
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17. (Pan out) You can be a photographer in a Speedo.
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18. You can listen to music in a Speedo. You can also tuck your shirt into a Speedo.
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19. You can hang out with your friends in a Speedo.
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20. You can buy a Pizza in a Cone in a Speedo. You can also go out at night in a Speedo, though it's not very common.
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21. You can work out in a Speedo. He had just finished doing pull-ups. You can also have a hot body in a Speedo. I'm just sayin...
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22. You can take your lunch break in a Speedo. You can also be a cutey-patootie in a Speedo.
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23. You can wear a silly Gilligan hat (perhaps to protect yourself from the sun?) in a Speedo.
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24. You can contemplate your retirement in a Speedo.
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25. You can walk in the rain in a Speedo.
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26. You can be a superhero with a boogie board in a rain forest in a Speedo.
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And saving the absolute best picture for last....
27. You can impersonate Ghandi riding a stylin' skateboard in a Speedo.
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If I had been a little bit faster with the camera you would also have proof that you can do push ups in a Speedo and you can skip in a Speedo (really, you can! I saw it done!! By a grown man!) I didn't get the photos though, so you're just going to have to take my word for it.