Special Unicode Characters in Data Validation Lists: ☐, ☑, ✓, ✔ - This may be my favorite approach. You can include special characters like this in a Data Validation drop-down list. This isn't quite as good as clicking once to fill in a checkbox, but it is great for the mobile Excel apps. The only hard part is remembering how to insert a check mark symbol in Excel. For more information, see my article Using Unicode Character Symbols in Excel.
Having known Jason personally, I can attest to the fact that he is an action taker. When he gets an idea, he doesn’t sit around and think about it for very long. He serves his market and does it well. They’ve done a great job of building up a real community around what they do. It is obviously a great market. And so, they have a 7-figure membership site that you’d likely never guess if you were judging from the public-facing site alone.
MemberGate is a membership content management platform that lets you create membership sites. It also protects your content against non-members at the same time. It gives you access to a fully integrated shopping cart platform, an affiliate program, and sleek website designs. You have options to integrate surveys discussion group feature, an integrated blog to publish your latest news from. It even has in-built search engine optimization so that your pages get discovered easily once you launch your site. It is integrated for banner ads, RSS management. There are still many more features that will make your membership site appealing to both yourself and your customers.
In professional diving, checklists are used in the preparation of equipment for a dive, and to ensure that the diver and life support systems are fully prepared before they enter the water. To a lesser extent, checklists are used by a minority of recreational divers, and by a larger proportion of technical divers during pre-dive checks. Studies have shown checklists to be effective at reducing the number of errors and consequent incidents.