Millions of plastic bottles end up in disposal landfills. When plastics break down, they don't biodegrade, they photodegrade. This means the materials break down to smaller fragments. These readily absorb toxins which contaminate soil, waterways, and animals upon digestion.
This invention allows one to locate frequently misplaced items such as a key, that one sock, the remote, etc. It uses a ubiquitous technology, namely, Radio Frequency Identification (RFID) tags. Passive RFID tags (those with no battery) are now in most products we purchase.
Of the cellular phones in service at present the overwhelming majority use the standard 12-key phone keypad. This device codes the standard keypad to emulate the full typewriter keypad by requiring two keystrokes for each key, as described in detail on my web page:
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