75%+ of our emails are read on mobile and in the Gmail client. What are best ways to optimize open/CTR for Gmail specifically, and common pitfalls?

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Here are the main alternatives to AdMob divided into tiers based on scale: Tier one: a) MoPub b) Amazon Publisher Services c) Facebook Audience Network Tier two: a) Verizon b) Smaato c) Fyber d) MobFox e) InMobi f) AdColony g) Rubicon h) AppNexus i) Pubmatic j) OpenX k) Chartboost l) Unity Ads m) Vdopia n) IronSource o) Adtoapp p) AdinCube q) Appodeal r) PubNative Let me explain them one-by-one: 1. MoPub: MoPub is another industry leading SSP option. It was an early entrant in the space, and it was acquired several years ago by Twitter. Since then it has continued to develop and it runs one of the largest exchanges for mobile app inventory, tapping into the advertiser base of Twitter. 2. Amazon Publisher Services (APS): Amazon Publisher Services is one of the newest options available to mobile app developers. Amazon has been rapidly developing their advertising capabilities and they have their own massive demand source because of all the merchants advertising on their platform. They also run a product called Transparent Ad Marketplace (TAM) that allows you to mediate other demand sources as well. It's not as easy to use as AdMob, but it's a very potent competitive option. 3. Facebook Audience Network (FAN): Facebook is the only other demand source that truly rivals Google AdMob in sheer size. FAN is not a mediation service, but it is so large that many apps would not need anything else, so it is an AdMob alternative. It is possible to use it as a demand source in other mediation solutions and if you can, you should. 4. Verizon (aka Nexage and Oath): The name of this one keeps changing. It was originally known as Nexage, which was another older exchange and SSP. Nexage was acquired by Millennial Media, which was acquired AOL and marketed as a product called One Mobile, then AOL was acquired by Verizon. Verizon deals in all digital ads, whether desktop, mobile web or mobile app. They have a full-featured SSP option and they are also providing header bidding to publishers. 5. Smaato: Smaato has traditionally been more internationally focused but has started to perform well in the US too. They have a sizable exchange of their own. 6. Fyber: Fyber is a roll-up of a few different companies, one of which was Inneractive which has a good-sized ad exchange for mobile app traffic. Fyber is a game focused SSP but they can and do operate on a variety of other types of apps. The mediation platform HeyZap was also acquired and rolled into Fyber. 7. MobFox: MobFox is the in-app monetization arm of the Matomy group. 8. InMobi: InMobi has long been a large ad network in international markets and a while back they acquired Aerserv. Aerserv is a video focused SSP with a mediation platform and exchange that performs well in the US, making it a great addition to InMobi. 9. AdColony: Many of these SSPs were formed through acquisition, and AdColony (formerly known as Opera) is a successful public company that was created through several acquisitions. Their SSP offering is underpinned by a mobile ad serving and mediation layer called AdMarvel. That platform is augmented by demand from a performance network formerly known as Moolah Media and a brand network formerly known as Mobile Theory. All of this has been combined and they have created their own proprietary exchange as well under the brand AdColony 10. Rubicon: Rubicon is a long-time player on web inventory. They grew rapidly and ultimately went public a few years ago. Rubicon operates a large exchange, and they have an SSP offering for in-app inventory, but their roots are in web inventory. 11. AppNexus: AppNexus runs a large exchange that traditionally was focused on web inventory. Again, their roots are web, but they are moving aggressively into app inventory as well. AppNexus is a more robust platform than other SSPs, which is a pro and a con. It can be used as a platform to run a whole ad network. However, that large scope of features can make it daunting to use as an SSP. As part of that platform, it has a very robust direct ad serving offering. 12. PubMatic: PubMatic is a large company running their own exchange. PubMatic acquired mobile ad network Mojiva a while back and Mojiva's ad serving counterpart Mocean, so they do have a robust direct ad serving system that can be used to operate a whole network, like AppNexus. That acquisition also gave them some technology that was developed specifically for mobile. 13. OpenX: Yet another large SSP from a private company with web roots. OpenX operates an exchange that is large and worth accessing. OpenX started as a direct ad serving platform and that is still one of their core offerings. They are one of the few SSPs that has a robust direct ad serving option. 14. Chartboost: Chartboost focuses exclusively on game apps. They run interstitial and video ad formats only and offer cross promo and a direct deal marketplace so you can coordinate with other app developers. 15. Unity Ads: The Unity platform for game development has an ad platform called Unity Ads woven into it. This makes it extremely easy for apps developed on Unity to use, but it focuses on rewarded video units exclusively. 16. Vdopia: Vdopia runs an optimization platform and video ad exchange called Chocolate. 17. IronSource: IronSource is a full-featured platform with a variety of ad units available, but they tend to focus on game apps and on rewarded video. If most of your inventory is rewarded, do NOT skip over this one. It is one of the leaders in that space. 18. Adtoapp: 20+ demand sources and monthly pay-outs. 19. Appodeal: 60+ demand sources and flexible payout options. 20. AdinCube: Ogury acquired this product and turned it into their publisher solution. 21. PubNative: Native ad network and good mediation add-on for other SSPs. Besides if you do have any questions give me a call: https://clarity.fm/joy-brotonath

I would seriously consider launching a blog and posting content of the same type to the blog, in abundance. Then add a popup box to the blog to collect email addresses. Post daily blog posts about topics related to your blog and your newsletter. If you do this consistently, over time, you will build up traffic to your blog and also get people entering their email into your popup. This is the free way to do it...

Do the opposite. Think about it from their point of view. They get requests like these all the time and most of the time the request comes from random people they don't know. That would be kind of annoying right? You get an email from someone you don't know but they want you to do something for them? You'd delete that email too. Best way to get their attention...get a referral from someone they know and trust. Get someone else they know and trust to introduce you (this is the whole reason I built my business www.reverralriver.com). Referrals work the best. Second best way...develop a relationship with them before asking for anything. Don't email and ask for something right away. You wouldn't ask someone to marry you on a first date would you? Develop the relationship slowly. Give them value before ever asking for anything in return. Over just a few short weeks you could easily establish a relationship to the point where you could actually mention an "ask" which should be very open-ended and create absolutely zero work/friction for the person you are asking. One of my favorite techniques to warm-up a relationship...just email and tell them you appreciated (insert an article they wrote or service they provide, whatever, just stroke their ego). Tell them you're a fan and often point people their way. Then go way above and beyond and find their physical mailing address (it's not that hard to do) and send them a small gift or hand-written postcard in the mail just to say thanks. Then email them once you know they got it and just say thanks again. Then start emailing them various articles or things they might think are valuable, I'd say no more than once every 4 days. Connect on LinkedIN and message them funny pictures or GIF's. Show them you're human. Make them laugh and smile and just say "Hey I appreciate all you've done so just wanted to return the favor and make you smile (insert funny GIF here)". Then, once they know who you are, don't ask them directly to partner...ask them if they know anyone who would be interested in partnering. Below is a template I've used with great success...and the beauty is that they will often ask for more info and get interested themselves, but usually only if you have offered them some sort of value to stand out amongst the crowd. --- Hey (prospect first name), Hope you laughed at the last GIF I sent. I was just wondering if you knew anyone that would be interested in a partnership/affiliate opportunity… Real quick summary… I’m building a SaaS that automates the process of asking for referrals…it uses artificial intelligence to find potential leads in your existing customers network and makes it super simple for your customers to make the referral (one click of a button). If you know anyone that has an audience of people that would benefit from something like this I'd be grateful for an intro. I won't let you down I promise if you can make an intro. I’ll draft up all the marketing material and do all of the work, so all they would have to do is say “ok”, hit copy, paste, and send and I’d be happy to pay them 25% commission for life (or if there is another payment structure in mind I’m happy to talk about it) So what do you think? Can you help me out? Thanks, Parker ---- If you found this useful please upvote. Book a call with me if you want to know more or if I can help further.

Sure, it's correlative for technical reasons, iTunes / AppStore does not provide (yet, might change) a mechanism for that, so 3rd parties have to build their own. I recently discussed with people from Adjust and I was really impressed. HasOffers / MobileAppTracking seems to be a good choice as well.