What type of device generates data usable by a space-time box?

Cell phones generate data that can be used in a space-time box due to their ability to capture various types of information, including location data, usage patterns, and interactions with other devices. This data collection is facilitated by multiple sensors and features integrated into modern smartphones, such as GPS, accelerometers, and connectivity options like Wi-Fi and Bluetooth.

The unique aspect of space-time boxes lies in their capability to analyze the interactions between location and time, which is fundamental in understanding patterns in behavioral data. Cell phones, being mobile and ubiquitous, continuously provide real-time data that can be aggregated and analyzed to reveal trends, behaviors, or movements over time.

Other devices, while they may generate data, do not possess the same comprehensive capabilities. For instance, a landline telephone is limited in terms of the type of data it can provide, primarily restricted to voice communication without any spatial context. Desktop computers can collect data but often lack the mobility and context that a cell phone offers. A traffic light at an intersection can generate data, such as traffic flow or timing, but it does not provide the same breadth of user-defined interactions and temporal dynamics that a cell phone does.