The Sidekick smartphone combines the full functionality of a mobile phone with the freedom to browse the Internet, exchange instant messages, and send and receive e-mails with attachments.
Marketed by T-Mobile and designed for wireless network operator by Danger, the Sidekick maintains an always-on connection with T-Mobile’s GSM/GPRS wireless network, which means that the Sidekick is ready to put its extensive capabilities into play at a moment’s notice (full story)