| WataCrackaz AutoSMS Toolbar for Firefox Send SMS messages to cell phones worldwide. | ![]() |
| C&W Caribbean | 1% | |
| Digicel Caribbean | 11% | |
| Alltel USA | <1% | |
| AT&T USA | 4% | |
| Boost Mobile USA | 2% | |
| Cincinnati Bell USA | <1% | |
| Cingular USA | 2% | |
| Metro PCS USA | 29% | |
| Nextel USA | <1% | |
| Pioneer Cellular USA | <1% | |
| Sprint USA | 6% | |
| T-Mobile USA | 6% | |
| Verizon USA | 21% | |
| Virgin Mobile USA | 1% | |
| Bell Mobility Canada | 1% | |
| Fido Canada | 1% | |
| Rogers Canada | <1% | |
| Telus Canada | <1% | |
| MiPhone Jamaica | 1% | |
| Vodafone UK (Vodafone Mail) | <1% | |
| O2 UK (Pay Monthly Mmail) | <1% | |
| T-Mobile UK (Instant Email) | <1% | |
| Centennial Wireless USA | <1% | |
| US Cellular USA | 1% | |
| Movistar Argentina | <1% | |
| Far EasTone Taiwan (Post-Paid) | 1% | |
| MTN South Africa | <1% | |
| Claro Puerto Rico | 8% | |
| T-Mobile Germany | <1% | |
| E-Plus Germany | <1% | |
| Qwest USA | <1% | |
| Smart Telecom Philippines | <1% |
| C&W Caribbean | 3% | |
| Digicel Caribbean | 19% | |
| Alltel USA | 3% | |
| AT&T USA | 6% | |
| Boost Mobile USA | 1% | |
| Cellular One USA | <1% | |
| Cincinnati Bell USA | 1% | |
| Cingular USA | 5% | |
| Metro PCS USA | 11% | |
| Nextel USA | 1% | |
| Pioneer Cellular USA | <1% | |
| Sprint USA | 9% | |
| T-Mobile USA | 10% | |
| Verizon USA | 16% | |
| Virgin Mobile USA | 1% | |
| Bell Mobility Canada | 2% | |
| Fido Canada | 1% | |
| Rogers Canada | 1% | |
| Telus Canada | 2% | |
| CTI Movil Argentina | 1% | |
| Meteor Ireland | <1% | |
| MiPhone Jamaica | <1% | |
| Vodafone UK (Vodafone Mail) | <1% | |
| O2 UK (Pay Monthly Mmail) | <1% | |
| Aliant Mobility Canada | <1% | |
| T-Mobile UK (Instant Email) | <1% | |
| Vodafone Netherlands | <1% | |
| Centennial Wireless USA | <1% | |
| Mtel Bulgaria | <1% | |
| Globul Bulgaria | <1% | |
| US Cellular USA | 2% | |
| Safaricom Kenya | <1% | |
| Nextel Argentina | <1% | |
| Movistar Argentina | 1% | |
| Far EasTone Taiwan (Post-Paid) | 1% | |
| Vodacom South Africa | <1% | |
| MTN South Africa | <1% | |
| Glo Mobile Nigeria | <1% | |
| SunCom Puerto Rico | <1% | |
| Claro Puerto Rico | 1% | |
| GT&T Guyana | <1% | |
| T-Mobile Germany | 1% | |
| E-Plus Germany | <1% | |
| Qwest USA | <1% | |
| Smart Telecom Philippines | 1% | |
| SunCom USA | <1% | |
| Cellular South USA | <1% |