Complex sentence: In late 2001, Handspring launched their own Springboard GSM phone module with limIn early 2002, Handspring released the Palm OS Treo smartphone with both a touch screen and a full keyboard.
Split into simpler sentences: In late 2001, Handspring launched their own Springboard GSM phone module with limIn. Early 2002, Handspring released the Palm OS Treo smartphone with both a touch screen and a full keyboard.