There are many applications which can take advantage of hyperspectral remote sensing. 1  Atmosphere: water vapor, cloud properties, aerosols. 2  Ecology: chlorophyll, leaf water, cellulose, pigmemts, lignin. 3  Geology: mineral and soil types.  Coastal Waters: chlorophyll, phytoplankton, dissolved organic materials, suspended sediments.
The digital footprint applicable specifically to the World Wide Web is the internet footprint; also known as cyber shadow, electronic footprint, or digital shadow, information is left behind as a result of a user's web-browsing and stored as cookies.
'Electronic waste or e-waste describes discarded electrical or electronic devices. Used electronics which are destined for reuse, resale, salvage, recycling, or disposal are also considered e-waste. Informal processing of e-waste in developing countries can lead to adverse human health effects and environmental pollution.