| Similarity | Rank | |
|---|---|---|
| Gmail | 0.931 | 16215 |
| GMail | 0.919 | 71260 |
| webmail | 0.874 | 63352 |
| ICQ | 0.836 | 72345 |
| iMessage | 0.822 | 78979 |
| IMAP | 0.821 | 43841 |
| SkyDrive | 0.820 | 51534 |
| MobileMe | 0.818 | 80495 |
| 0.808 | 61570 | |
| POP3 | 0.803 | 59337 |
| AOL | 0.802 | 17615 |
| Dropbox | 0.801 | 24219 |
| DropBox | 0.800 | 89409 |
| hotmail | 0.797 | 59713 |
| ActiveSync | 0.794 | 95218 |
| Friendster | 0.787 | 84667 |
| Yahoo | 0.786 | 6222 |
| 0.770 | 89494 | |
| Orkut | 0.767 | 69500 |
| iCloud | 0.767 | 33475 |
| gmail | 0.764 | 34523 |
| BBM | 0.764 | 47068 |
| iChat | 0.763 | 98123 |
| TweetDeck | 0.762 | 80462 |
| SMTP | 0.762 | 33439 |