Doubletick for Gmail vs Petal

Doubletick is an Email Tracking tool for Gmail, it adds double check marks in your sent box if it is read by recipient (Just like WhatsApp).

Get WhatsApp like read-receipts on opened emails in your Gmail Sent Box, Also track time of the email opened by recipient, Receive real-time pop-ups notification on your desktop when your emails are opened, Doubletick is the only email tracking tool which do not access your mailbox, you can track your emails without permitting full-mailbox access.

Location: Pune, India

The zero-odor, germ-freezing waste bin.

Uniquely designed to fit any room of your home, Petal is a technically-unique, energy efficient ($1/month), and sleek new home appliance that eliminates foul odors and halts the spread of germs, simply by freezing them.

At temperatures at and below 0°F, you can dispose of dirty diapers, food scraps, adult incontinence briefs, feminine hygiene products, pet waste, and anything else that stinks with the knowledge that your home environment will remain fresh and clean.

In an era of cabin fever and complexity, Petal's value proposition is simple. Quickly and cost-effectively freeze potentially hazardous waste to keep your home fresh, safe and clean.

Petal's patent-pending freezing technology is the driving force behind its efforts to revolutionize the interim storage of dirty diapers, food scraps, adult incontinence briefs, feminine hygiene products, medical waste, pet waste, and anything else that stinks.

Feature Highlights:
Sub-zero temperature halts decomposition and put germs on ice (no more stink or pests)

Energy efficient, costs less than $1/month (8 KWh) or less than a single load of laundry.

Industry-leading 100-day risk-free trial and 1-year extendable warranty

Hands-free design and soft-touch, non-skid foot pedal

Removable 5 gallon (19L) inner pail makes it easy to compost without the mess

Child lock keeps trash in and hands/paws out.
Mechanical lid softly and quietly lowers into place, placating even the lightest sleepers.

On/Off nightlight emits a comforting glow for nighttime diaper changes or feedings.

Whisper-quiet operating at less than 30 dB – the actual range of a human whisper.

No landfill-clogging and expensive proprietary liners or accessories required.

Location: Texas, USA